Natasha Mehta Solutions for Exercise 5: PRACTICE TIME

Author:Natasha Mehta

Natasha Mehta Science Solutions for Exercise - Natasha Mehta Solutions for Exercise 5: PRACTICE TIME

Attempt the practice questions from Exercise 5: PRACTICE TIME with hints and solutions to strengthen your understanding. Sciwise - A coursebook of Science solutions are prepared by Experienced Embibe Experts.

Questions from Natasha Mehta Solutions for Exercise 5: PRACTICE TIME with Hints & Solutions

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>PRACTICE TIME>Q 1

_____ effect of current is used in appliances such as geysers, toasters and heaters.(heating/magnetic)

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>PRACTICE TIME>Q 2

A bulb glows when electric current flows through _____ which is usually made of an alloy.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>PRACTICE TIME>Q 3

_____ is an electrical safety device which prevents electrical appliances from damage.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>PRACTICE TIME>Q 4

A _____ strip is used in MCB which gets heated, and it trips.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>PRACTICE TIME>Q 5

_____ effect of current was discovered by Hans Christian Oersted in 1820.

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 8

Electric bell is an example of the different applications of an _____.