Current Electricity-Ohm's Law (KVPY Stream-SA (Class 11) Physics): Questions 1 - 1 of 1

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Question number: 1

» Current Electricity » Ohm's Law

Appeared in Year: 2015

MCQ▾

Question

A light bulb of resistance R = 16 Ω is attached in series with an infinite resistor network with identical resistances r as shown below. A 10 V battery drives current in the circuit. What should be

A circuit diagram of light bulb and infinite resistor network

A Circuit Diagram of Light Bulb and Infinite Resistor Network

In circuit diagram a light bulb of resistance R = 16 Ω is attached in series with an infinite resistor network with identical resistances r. A 10 V battery drives current in the circuit.

the value of r such that the bulb dissipates about 1 W of power?

Choices

Choice (4) Response

a.

29.4 Ω

b.

3.7 Ω

c.

14.8 Ω

d.

7.4 Ω

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