EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2018>Q 10

MEDIUM

KCET (UG)

IMPORTANT

Earn 100

Ohm's law is applicable to

100% studentsanswered this correctly

Important Questions on Current Electricity

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2021>Q 11

A copper wire of length

1 m

and uniform cross-sectional area

5 \times 10^{- 7} m^{2}

carries a current of

1 A .

Assuming that there are

8 \times 10^{28}

free electrons per

m^{3}

in copper, how long will an electron take to drift from one end of the wire to the other?

EASY

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2019>Q 12

Kirchhoff's junction rule is a reflection of

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2020>Q 13

Equivalent resistance between points

A

and

B

in the adjacent circuit is

Question Image

Question Image

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2019>Q 14

In the given circuit, the current through $2 Ω$ resistor is

Question Image

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2018>Q 15

The effective resistance between $P$ and $Q$ for the following network is

Question Image

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2018>Q 16

Five identical resistors each of resistance $R = 1500 Ω$ are connected to a $300 V$ battery as shown in the circuit. The reading of the ideal ammeter $A$ is

Question Image

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2020>Q 17

A car has a fresh storage battery of e.m.f

12 V

and internal resistance

2 \times 10^{- 2} Ω

. If the starter motor draws current of

80 A

. Then the terminal voltage when the starter is on is

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Current Electricity>KCET (UG) 2019>Q 18

The variation of terminal potential difference $(V)$ with current flowing through as cell is as shown

Question Image

The $emf$ and internal resistance of the cell are