COMEDK · Physics · 19. Current Electricity
In the given circuit, the voltmeter records \(5 \mathrm{~V}\). The resistance of the voltmeter (in ohms) is
- A 200
- B 100
- C 10
- D 50
Answer & Solution
Correct Answer
(B) 100
Step-by-step Solution
Detailed explanation
If \(R\) be the resistance of voltmeter, then the equivalent resistance of circuit is \(\begin{aligned} R_{e q} &=\frac{R \times 100}{100+R}+50 \\ &=\frac{150 R+5000}{R+100} \end{aligned}\) Total current in circuit,…
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