Electricity — Set 2
Physics · विद्युत · Questions 11–20 of 60
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1
The SI unit of electric field is?
2
According to Coulomb’s law, the electrostatic force between two point charges is proportional to?
3
Two charges 2 μC and 3 μC are 0.5 m apart in vacuum. What is the force between them? (k = 9×10^9 N m^2/C^2)?
4
Potential difference between two points is defined as?
5
If 20 J of work is done to move 5 C of charge, what is the potential difference?
6
Electromotive force (emf) of a source is best described as?
7
In a metallic conductor, the direction of conventional current is?
8
A 5 Ω resistor carries 2 A current. What power is dissipated in it?
9
A fuse is connected in?
10
Heat produced in a resistor R when current I flows for time t is?