_____ has a thin metallic filament that melts and breaks the connection when the circuit is overheated.

Fill in the Blanks

Electric fuse has a thin metallic filament that melts and breaks the connection when the circuit is overheated.

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Chapter 5: Electricity - Exercises [Page 57]

Chapter 5 Electricity
Exercises | Q II. 4. | Page 57

Draw circuit symbols for variable resistance

Tell the odd one out. Give a proper explanation.

Find the odd one out and justify it.
Fuse wire, M.C.B., Rubber Gloves, Generator

In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?

Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up

Assertion: In an open circuit, the current passes from one terminal of the electric cell to another.

Reason: Generally, the metal disc of a cell acts as a positive terminal.

In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a 12 V battery will be


(i)	(ii)	(iii)

Our body is a ______ of electricity.

In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with

Write a short note on the different electrical circuits.