BCECE SERIES

Physics

Resistance

3 previous year questions.

Volume: 3 Ques

Yield: Medium

High-Yield Trend

2

2017

1

2006

Chapter Questions
3 MCQs

01

PYQ 2006

medium

physics ID: bcece-20

What is the potential drop between points A and C in the following circuit ? Resistances and represent the internal resistances of the respective cells.

1

2

3

4

02

PYQ 2017

medium

physics ID: bcece-20

A letter 'A' is constructed of a uniform wire with resistance 1.0 Ω cm -1 . The. 110 sides of the letter are 20 cm and the cross-piece in the middle is 10 cm long. The apex angle is 60°. The resistance between the ends of the legs is

1

50 Ω

2

26.7 Ω

3

2.72 Ω

4

34 Ω

03

PYQ 2017

medium

physics ID: bcece-20

The temperature co-efficient of resistance of a wire is 0.00125/°C. Its resistance is 1Ω at 300 K. At what temperature, its resistance will be 2Ω?

1

1127 K

2

854 K

3

1217 K

4

1154 K