Dr. K C Trikha and N K Sehgal Solutions for Chapter: Electric Current and Its Effects, Exercise 1: Something To Know
Dr. K C Trikha Science Solutions for Exercise - Dr. K C Trikha and N K Sehgal Solutions for Chapter: Electric Current and Its Effects, Exercise 1: Something To Know
Attempt the free practice questions on Chapter 17: Electric Current and Its Effects, Exercise 1: Something To Know with hints and solutions to strengthen your understanding. The Living World A book of Science and Technology solutions are prepared by Experienced Embibe Experts.
Questions from Dr. K C Trikha and N K Sehgal Solutions for Chapter: Electric Current and Its Effects, Exercise 1: Something To Know with Hints & Solutions
Give the meaning of the terms 'short-circuiting' and 'overloading' in an electric circuit.
Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.
State any three applications of an electromagnet.
The same amount of current flows through the connecting wires and the bulb filament. However, it is only the filament that glows. Why?
The brightness of light, emitted by a bulb, is observed to decrease when an electric heater is connected in series with it. Suggest the likely reason for this observation.
Suggest an experimental set up to illustrate the action of an electric fuse.
A novice electrician, while carrying out some repairs in Sumit's house, tried to put a piece of tungsten wire in a 'fuse': Sumit's father, on noticing this, stopped him from doing so. Give reasons as to why he did that.
Draw a labelled diagram of an electric bell and explain its working.
