Current Electricity Test

Result

Current Electricity Test - 96

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The equivalent resistance and potential difference between A and B for the circuit is respectively

A
4 Ω, 8 V

B
8 Ω, 4 V

C
2 Ω, 2 V

D
16 Ω, 8 V

Solution
Question 2
4 / -1

In a Wheatstone\'s bridge all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, the equivalent resistance of the combinationas seen by the battery is

A
R/2

B
R

C
2R

D
R/4
Question 3
4 / -1

For what value of unknown resistance X, the potential difference between B and D will be zero in the circuit shown in the figure?

A
4Ω

B
6Ω

C
2Ω

D
5Ω

Solution
Question 4
4 / -1

Which arrangement of four identical resistances should be used to draw maximum energy from a cell of voltage V?

A

B

C

D
Question 5
4 / -1

A wire has a resistance of 6 Ω. It is cut into two parts and both half values are connected in parallel. The new resistance is ....

A
12 Ω

B
1.5 Ω

C
3 Ω

D
6 Ω

Solution
Question 6
4 / -1

The total current supplied to the circuit by the battery is

A
1A

B
2A

C
4A

D
6A

Solution
Question 7
4 / -1

An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii of the wires are in the ratio of 4/3 and 2/3, then the ratio of the currents passing through the wire will be

A
3

B
1/3

C
8/9

D
2

Solution
Question 8
4 / -1

You are provided three resistances 2 Ω, 3 Ω and 6 Ω. How will you connect them so as to obtain the equivalent resistance of 4Ω?

A

B

C

D
None of these

Solution
Question 9
4 / -1

In circuit shown below, the resistances are given in ohm and the battery is assumed ideal with emf equal to 3 volt. The voltage across the resistance R₄ is

A
0.4 V

B
0.6 V

C
1.2 V

D
1.5 V

Solution
Question 10
4 / -1

The equivalent resistance between the points A and B in the following circuit is

A
3.12 Ω

B
1.56 Ω

C
6.24 Ω

D
12.48 Ω

Solution