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JEE Questions for Physics Current Electricity Ii Quiz 6 - MCQExams.com
JEE
Physics
Current Electricity Ii
Quiz 6
Figure, shows a network of eight resistors numbered 1 To 8, each equal to 2Ω, connected to a 3V battry of negligible internal resistance The current I in the circuit is....
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0%
0.25A
0%
0.5A
0%
0.75A
0%
1.0 A
Seven resistors, each of resistance 5 Ω, are connected as shown in fig, The equivalent resistance between points A and B is....
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1 Ω
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7 Ω
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35 Ω
0%
49 Ω
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0.5A
0%
1.5A
0%
2.0A
0%
3.5A
In the circuit shown in fig, the effective resistance between A and B is....
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0%
0%
R
0%
2R
0%
4R
The reading of the ammeter in the circuit in Fig, is ....
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0%
0%
2)
0%
0%
Eight cells marked 1 to 8, each of emt 5V and internal resistance 0.2Ω are connected as shown in Fig, what is the reading of the ideal voltmeter V?
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40 V
0%
20 V
0%
5V
0%
Zero
In the given circuit it is observed that the current I is independent of the value of the resistance R
6
Then the resistance values must satisfy(see fig)
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0%
0%
2)
0%
0%
In the potentiometer circuit shown in fig, the internal resistance of the 6V battery is 1Ω and the length of the wire is 100 cm. when AD = 60 cm, the galvanometer shows no deflection. The emf of cell c is (the resistance of wire AB is 2Ω)
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0.7 V
0%
0.8 V
0%
0.9 V
0%
1.0V
The potential difference through the 3Ω resistor shown in fig is....
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Zero
0%
1V
0%
3.5V
0%
7V
A battery of internal resistance 4Ω is connected to the network of resistances as shown in fig, in order that maximun power can be delivered to the network, the value of R in ohm should be.
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0%
0%
2
0%
0%
18
Calculate net resistance between A and B
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0%
2)
0%
4r
0%
Calculate net resistance beween A and B
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10 Ω
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30 Ω
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25 Ω
0%
Calculate net resistance beween A and B
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3 Ω
0%
2)
0%
2 Ω
0%
Calculate net resistance beween A and B
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0%
0%
2)
0%
0%
What is the enrergy stored in the capacitor?
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72 μJ
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96 μJ
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96 mJ
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96 MJ
In the circuit shown, the current sources are of negligible internal resistances. What is the potential difference between the points B and A ?
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–4.0 V
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4.0 V
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–8.0 V
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8.0 V
what is the potential aross the points A and B?
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0.9 V
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1.1 V
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1.3 V
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0.7 V
Six resistors of 3 Ω each are connected along the sides of a hexagon and three resistors of 6 Ω each are connected along AC, AD, and AE as shown in the figiure. The equivalent resistance between A and B is equal to:
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3 Ω
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9 Ω
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2 Ω
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16 Ω
The total electrial resistance between the points A and B for the circuit figure shown below is:
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0 Ω
0%
15 Ω
0%
30 Ω
0%
100 Ω
Net resistance between A and B in the given network is ...
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0%
0%
2)
0%
0%
Net resistance between A and B in the given network is:
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10 Ω
0%
40 Ω
0%
0%
A 5V battery with internal resistance 2Ω and 2v battery with internal resistance 1Ω are connected to 10Ω resistor as shown in fig the current in 10Ω resistor is....
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0%
0%
2)
0%
0%
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0.5 A
0%
1.0 A
0%
1.5 A
0%
Zero
In the given circuit the equivalent resistance between the poins A and B in ohm is.
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9
0%
11.6
0%
14.5
0%
21.2
The equivalent resistance between points A and J and current I in the following circuit will be.
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15 Ω, 0.5 A
0%
15 Ω, 1 A
0%
12 Ω, 0.5 A
0%
12 Ω, 1A
Find the current measureal by the ammeter in the circuit shown in figure.
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Zero
0%
0.4 A
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4 A
0%
2 A
Find the current in the three resistors shown in figure.
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Zero
0%
2 Amp.
0%
1 Amp.
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4 Amp.
Find the equivalent resistance of the network shown in figure between the points a and b.
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4.1
0%
1.4
0%
2
0%
4
Twelve wires, each having resistance r, are joined to form a cube as shown in figure find the equivalent resistance between the ends of a face diagonal such as a and c.
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0%
0%
2)
0%
0%
Find the equivalent resistance between the points a and b of the circuit shown in figure.
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7 Ω
0%
9 Ω
0%
7.5 Ω
0%
5 Ω
What is the equivalent resistance between the points A and B of the network
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0%
8Ω
0%
6Ω
0%
Find the equivalent resistance a cross AB
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1 Ω
0%
2 Ω
0%
3 Ω
0%
4 Ω
For what value of R the net resistance of the circuit will be 18 ohms.
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24 Ω
0%
8 Ω
0%
10 Ω
0%
16 Ω
The total current supplied to the circuit by the battery is....
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1 A
0%
2 A
0%
4 A
0%
6A
Equivalent resistance between the points A and B is (in Ω)
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0%
0%
2)
0%
0%
The figure shows two metal plates A and B which are square in shape and have same thickness t. The side of B is twice that of A. Current flows through them in the direction as shown by the arrow marks. The ratio of resistance of A to that of B is
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1 : 2
0%
2 : 1
0%
1 : 1
0%
1 : 4
The effective resistance between points A and B is....
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0%
R
0%
2)
0%
0%
The given figure shows an infinite ladder network of resistances The equivalent resistance between points A and B is.
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Infinite
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3.73 Ω
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2.73 Ω
0%
Net resistance between A and B in the given network is:
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0%
0%
2)
0%
0%
In the arrangement of resistances shown in the figure, the potential differenc between B and D will be zero when the unknown resistance X is
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4 Ω
0%
2 Ω
0%
3 Ω
0%
6 Ω
Net resistance between A and B in the given network is:
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0%
0%
2)
0%
0%
Net resistance between A and B in the given network is....
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0%
0%
2)
0%
0%
In the circuit shown, the heat produced in the 5 ohm resistor due to current flowing through it, is 10 calories per second. Then the heat generated in the 4 ohm resistor is:
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1 calorie per sec
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2 colorie per sec
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4 calorie per sec
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3 calorie per sec
A 100 watt bulb working on 200 volt and a 200 watt bulb working on 100 volt have
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Resistances in the ratio of 4 : 1
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Maximum current ratings in the ratio of 1 : 4
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Resistances in the ratio of 2 : 1
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Maximum current ratings in the ratio of 1 : 2
The reading of ammeter shown in figure is....
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2.18 A
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3.28 A
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6.56 A
0%
1.09 A
In the circuit shown in fig, the ammeter A reads zero, If the batteries have negligible internal resistance, the value of R is.
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20 Ω
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10 Ω
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30 Ω
0%
40 Ω
Which of the following set up can be uesd to verify the ohm\'s law?
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0%
2)
0%
0%
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4 Ω
0%
1 Ω
0%
2 Ω
0%
3 Ω
60 cal heat is produced per second in a 6Ω resistance on passing electric current through the circuit as shown in the figure. The amountof heat produced per second through 3Ω resistance is.... cal
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0%
30
0%
60
0%
100
0%
120
Find equivalent resistance between A and B
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R
0%
2)
0%
0%
2R
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