Advertisements
Advertisements
Question
Name any two effects of electric current.
Advertisements
Solution 1
The two effects of electric current are:
- Heating effect of electric current.
- Magnetic effect of electric current.
Solution 2
Electric current has the following effect:
- Electric current can give rise to heating and lighting.
- Electric current can convert a straight conductor into a temporary magnet.
APPEARS IN
RELATED QUESTIONS
When current is switched ‘on’ in a room heater, it ______.
The safety device based on the heating effect of electric current is called a ______.
An electric heater is connected to the 230 V mains supply. A current of 8 A flows through the heater.
(b) How much energy is transferred to the heater each second?
How does the resistance of a wire vary with its:
diameter?
The electrical resistivities of four materials P, Q, R and S are given below:
| P | `6.84xx10^8`Ωm |
| Q | `1.70xx10^8`Ωm |
| R | ` 1.0xx10^15`Ωm |
| s | `11.0xx10^-7`Ωm |
Which material will you use for making: (a) heating element of electric iron (b) connecting wires of electric iron (c) covering of connecting wires? Give reason for your choice in each case.
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).
Live wire and neutral wires have a 220 V potential difference.
Name any two appliances which works on the phenomenon of heating effect of electric current.
Which of the following is correct?
What is an electric fuse made up of?
