Dhiren M Doshi Solutions for Chapter: Electric Current and its Effects, Exercise 4: Exercise
Dhiren M Doshi Science Solutions for Exercise - Dhiren M Doshi Solutions for Chapter: Electric Current and its Effects, Exercise 4: Exercise
Attempt the practice questions on Chapter 14: Electric Current and its Effects, Exercise 4: Exercise with hints and solutions to strengthen your understanding. LEARNING SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Dhiren M Doshi Solutions for Chapter: Electric Current and its Effects, Exercise 4: Exercise with Hints & Solutions
Which of the following is not a circuit element?
Match the following:
| Column A | Column B | ||
|---|---|---|---|
| 1 | Tungsten | (a) | High resistance |
| 2 | Nichrome wire | (b) | Bulb |
| 3 | Soft iron | (c) | Low resistance |
| 4 | Mica | (d) | Electric iron |
| 5 | Copper | (e) | Electromagnet |
No appliances work when the circuit is _____.
Flow of large current due to direct contact of a live and a neutral wire is called _____.
A magnet produced by passing an electric current through a coil of insulating wire wound around a soft iron is called _____.
Name the materials used for making heating element of an electric heater.
Look at the figures given below and answer the following questions:
Which one is a stronger magnet among the Fig. (i) and (ii) given above and why?
Look at the figures given below and answer the following questions:
Why do we use iron for making an electromagnet and not steel?
