Amarnath Mishra, Geeta Mehta, Deepti Lehri and, Rajesh Mohan Solutions for Chapter: Electricity, Exercise 1: Exercises

Author:Amarnath Mishra, Geeta Mehta, Deepti Lehri & Rajesh Mohan

Amarnath Mishra Science Solutions for Exercise - Amarnath Mishra, Geeta Mehta, Deepti Lehri and, Rajesh Mohan Solutions for Chapter: Electricity, Exercise 1: Exercises

Attempt the free practice questions on Chapter 7: Electricity, Exercise 1: Exercises with hints and solutions to strengthen your understanding. Basic Science For Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from Amarnath Mishra, Geeta Mehta, Deepti Lehri and, Rajesh Mohan Solutions for Chapter: Electricity, Exercise 1: Exercises with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Identify the following symbol. Also mark the positive and negative terminals in the symbol for the cell.
Question Image

EASY
7th CBSE
IMPORTANT

The greater the _____ across a device, the greater is the current through it. (Choose from: Voltage/ EMF/ Resistance)

EASY
7th CBSE
IMPORTANT

The connections between components are represented by _____ (Straight lines/circles) in a circuit diagram.

EASY
7th CBSE
IMPORTANT

A long wire has _____ resistance than a short wire.

EASY
7th CBSE
IMPORTANT

An _____ is a condition in which a wire carries a current that is more than what is safe.

EASY
7th CBSE
IMPORTANT

A closely wound length of wire is called a _____. (screw gauge/coil)

EASY
7th CBSE
IMPORTANT

Nichrome is used for making

MEDIUM
7th CBSE
IMPORTANT

To make a battery of 9 V, how many 1.5 V cells are needed?