Kerala Board Solutions for Chapter: Effects of Electric Current, Exercise 4: Exercise 4

Author:Kerala Board

Kerala Board Physics Solutions for Exercise - Kerala Board Solutions for Chapter: Effects of Electric Current, Exercise 4: Exercise 4

Attempt the practice questions on Chapter 1: Effects of Electric Current, Exercise 4: Exercise 4 with hints and solutions to strengthen your understanding. Physics Standard X Part 1 solutions are prepared by Experienced Embibe Experts.

Questions from Kerala Board Solutions for Chapter: Effects of Electric Current, Exercise 4: Exercise 4 with Hints & Solutions

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q i

Which are the circumstances that cause high electric current, leading to the melting of fuse wire?

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q ii

How is the fuse wire connected to a circuit? In series/ parallel?

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q iii

You know that according to Joule's Law, more heat will be produced when electric current is increased. What happens to the fuse wire due to this?

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q iv

When heat is generated, why does the fuse wire melt?

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q v

When the fuse wire melts, the circuit is broken, what happens to the current in the circuit?

MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 1 - Effects of Electric Current>Exercise 4>Q vi

Why is the fuse used in a circuit called safety fuse? Explain.