First slide

ammeter

Question

In the circuits shown below, the readings of the voltmeters and the ammeters will be

Easy

A

$V_{2} > V_{1} and i_{1} > i_{2}$
B

$V_{2} > V_{1} and i_{1} = i_{2}$
C

$V_{1} = V_{2} and i_{1} > i_{2}$
D

$V_{1} = V_{2} and i_{1} = i_{2}$

Solution

Ideal voltmeters have infinite resistance connected in series hence the current through them will be zero. Hence current through 10 $Ω$ will be same in both the cases. Hence current and voltages are same giving the readings same.

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