Current Electricity Test

Result

Current Electricity Test - 47

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

The potential drop across the 3 Ω resistor is

A
1 V

B
1.5 V

C
2 V

D
3 V

Solution
Question 2
4 / -1

If each resistance in the figure is of 9 Ω, then reading of ammeter is

A
5 A

B
8 A

C
2A

D
9 A

Solution
Question 3
4 / -1

Two wires of equal diameters, of resistivities ρ₁ and ρ₂ and lengths l₁ and l₂, respectively, are joined in series. The equivalent resistivity of the combination is

A

B

C

D

Solution
Question 4
4 / -1

Four resistances of 100 Ω each are connected in the form of square. Then, the effective resistance along the diagonal points is

A
200 Ω

B
400 Ω

C
100 Ω

D
150 Ω

Solution
Question 5
4 / -1

Equivalent resistance between the points A and B is (in Ω)

A

B

C

D

Solution
Question 6
4 / -1

Two wires of the same material and equal length are joined in parallel combination. If one of them has half the thickness of the other and the thinner wire has a resistance of 8 ohms, the resistance of the combination

A

B

C

D

Solution
Question 7
4 / -1

In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also

A
3 ohm

B
√39 ohm

C
√69 ohm

D
10 Ω

Solution
Question 8
4 / -1

A uniform wire of resistance 9 Ω is cut into 3 equal parts. They are connected in the form of equilateral triangle ABC. A cell of e.m.f. 2 V and negligible internal resistance is connected across B and C. Potential difference across AB is

A
1 V

B
2 V

C
3 V

D
0.5 V

Solution
Question 9
4 / -1

A
4 Ω

B
3 Ω

C

D

Solution
Question 10
4 / -1

A

B
2 ohm

C

D
3 ohm

Solution