Advertisements
Advertisements
प्रश्न
Name the device used these days in place of electric fuses in electrical circuits.
Advertisements
उत्तर
Miniature circuit breaker (MCB) is used these days in place of electric fuses in electrical circuits.
APPEARS IN
संबंधित प्रश्न
Distinguish between a closed circuit and an open circuit, with the use of suitable labelled diagrams.
Draw the circuit diagram for the following series connection

Fuse is
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.
The rate of flow of electric charges in a circuit is called ______.
Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Ω resistor be the same as that across the parallel combination of 4 Ω resistors? Give reason.
When an electric current flows through a copper wire AB as shown in the following figure, the wire

The ______ is a species of fish that can give electric shocks of up to six hundred fifty watts of electricity.
An electric motor rated 1100 W is connected to 220 V mains. Find:
- The current drawn from the mains,
- Electric energy consumed if the motor is used for 5 hours daily for 6 days.
- Total cost of energy consumed if the rate of one unit is 5.
