A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are , and respectively. Then [2015]

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Q.
A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are $V_{A}$ , $V_{B}$ and $V_{C}$ respectively. Then [2015]

1 $V_{A} = V_{B} \neq V_{C}$

2 $V_{A} \neq V_{B} \neq V_{C}$

3 $V_{A} = V_{B} = V_{C}$

4 $V_{A} \neq V_{B} = V_{C}$

Ans.
(3)

The current flowing in the different branches of circuit is indicated in the figure.

$V_{A} = I R, V_{B} = \frac{2 I}{3} \times \frac{3}{2} R = I R, V_{C} = \frac{I}{3} \times 3 R = I R$

$Thus, V_{A} = V_{B} = V_{C}$

Solution

Q.
A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are $V_{A}$ , $V_{B}$ and $V_{C}$ respectively. Then [2015]

1 $V_{A} = V_{B} \neq V_{C}$

2 $V_{A} \neq V_{B} \neq V_{C}$

3 $V_{A} = V_{B} = V_{C}$

4 $V_{A} \neq V_{B} = V_{C}$

Ans.
(3)

The current flowing in the different branches of circuit is indicated in the figure.

$V_{A} = I R, V_{B} = \frac{2 I}{3} \times \frac{3}{2} R = I R, V_{C} = \frac{I}{3} \times 3 R = I R$

$Thus, V_{A} = V_{B} = V_{C}$

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Solution

Q. A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are VA, VB and VC respectively. Then [2015]

1 VA=VB≠VC

2 VA≠VB≠VC

3 VA=VB=VC

4 VA≠VB=VC

Ans. (3) The current flowing in the different branches of circuit is indicated in the figure. VA=IR, VB=2I3×32R=IR, VC=I3×3R=IR Thus, VA=VB=VC

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Q.
A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are $V_{A}$ , $V_{B}$ and $V_{C}$ respectively. Then [2015]

1 $V_{A} = V_{B} \neq V_{C}$

2 $V_{A} \neq V_{B} \neq V_{C}$

3 $V_{A} = V_{B} = V_{C}$

4 $V_{A} \neq V_{B} = V_{C}$

Ans.
(3)

The current flowing in the different branches of circuit is indicated in the figure.

$V_{A} = I R, V_{B} = \frac{2 I}{3} \times \frac{3}{2} R = I R, V_{C} = \frac{I}{3} \times 3 R = I R$

$Thus, V_{A} = V_{B} = V_{C}$