Class 10 Physics11)
Coulomb is the SI unit of:
Class 10 Physics12)
When electric current is passed, electrons move from:
low potential to high potential.
Class 10 Physics13)
The heating element of an electric iron is made up of:
Class 10 Physics14)
The electrical resistance of insulators is
Class 10 Physics15)
Electrical resistivity of any given metallic wire depends upon
nature of the material
Class 10 Physics16)
Electric power is inversely proportional to
Class 10 Physics17)
What is the commercial unit of electrical energy?
Class 10 Physics18)
An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb?
Here, V = 220 V, I = 0.50 A
∴ Power (P) = VI = 220 x 0.50 = 110 W
Class 10 Physics19)
Which of the following gases are filled in electric bulbs?
Argon and Nitrogen
Class 10 Physics20)
100 J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be: