Advertisements
Advertisements
Question
The safety device based on the heating effect of electric current is called a ______.
Advertisements
Solution
The safety device based on the heating effect of electric current is called a fuse.
Explanation:
Fuse is a safety device, which limits current in the circuit and breaks the circuit if the current exceeds its maximum limit.
APPEARS IN
RELATED QUESTIONS
What is nichrome? State its one use.
An electric iron of resistance 20 ohms draws a current of 5 amperes. Calculate the heat produced in 30 seconds.
An electric iron of 1100 W is operated for 2 hrs daily. What will be the electrical consumption expenses for that in the month of April? (The electric company charges Rs 5 per unit of energy).
Name the factors on which the heat produced in a wire depends when current is passed in it, and state how does it depend on the factors stated by you.
In an electric bulb, coil of _______ metal is used.
An electric kettle consumes 1 kW of electric power when operated at 220 V. A fuse wire of what rating must be used for it?
What are the uses of electromagnets?
What are the factors affecting heating effect of electric current?
What is the heating effect of electric current?
When a current I flows through a wire of resistance R for time t then the electrical energy produced is given by ______.
