Current Electricity Test

Result

Current Electricity Test - 50

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Potential difference between the points P and Q in the electric circuit shown is

A
4.5 V

B
1.2 V

C
2.4 V

D
2.88 V

Solution
Question 2
4 / -1

The current in a simple series circuit is 5.0 amp. When an additional resistance of 2.0 ohm is inserted, the current drops to 4.0 amp. The original resistance of the circuit in ohm was

A
1.25

B
8

C
10

D
20

Solution
Question 3
4 / -1

In a typical Wheatstone network, the resistances in cyclic order are A = 10 Ω, B = 5Ω, C = 4 Ω and D = 4 Ω. For the bridge to be balanced

A
10 Ω should be connected in parallel with A

B
10 Ω should be connected in series with A

C
5 Ω should be connected in series with B

D
5 Ω should be connected in parallel with B

Solution
Question 4
4 / -1

Thirteen resistances each of resistance R ohm are connected in the circuit as shown in the figure below. The effective resistance between A and B is

A
2R Ω

B

C

D
RΩ

Solution
Question 5
4 / -1

An unknown resistance R₁ is connected in series with a resistance of 10 Ω. This combinations is connected to one gap of a metre bridge while a resistance R₂ is connected in the other gap. The balance point is at 50 cm. Now, when the 10 Ω resistance is removed the balance point shifts to 40 cm. The value of R₁ is (in ohm)

A
60

B
40

C
20

D
10

Solution
Question 6
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
12Ω

B
1.5Ω

C
3Ω

D
6Ω

Solution
Question 7
4 / -1

Six equal resistances are connected between points P, Q and R as shown in the figure. Then, the net resistance will be maximum between

A
P and Q

B
Q and R

C
P and R

D
Any two points

Solution
Question 8
4 / -1

The total current supplied to the circuit by the battery is

A
1 A

B
2 A

C
4 A

D
6 A

Solution
Question 9
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 10
4 / -1

If a rod has resistance 4 Ω and if rod is turned as half circle, then the resistance along diameter

A
1.56 Ω

B
2.44 Ω

C
4 Ω

D
2 Ω

Solution