First slide

ammeter

Question

The emf and internal resistance of the battery shown in figure are 4.3 V and $1 Ω$ respectively. The external resistance R is $50 Ω$ . The resistance of the voltmeter and ammeter are $200 Ω$ and $2 Ω$ respectively. Find the readings of the two meters.

Easy

A

0.1 A, 2 V
B

0.1 A, 4 V
C

0.4 A, 1 V
D

04.A, 4 V

Solution

First of all the draw the equivalent circuit diagram, current flowing through circuit $= \frac{4.3}{(50 | | 200 + 2 + 1)} = 0.1 A$

Voltmeter reading = 4.3 – 0.1 x 3 = 4 V

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App