Advertisements
Advertisements
प्रश्न
Exercise.
Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.
Advertisements
उत्तर
Given: Time ‘t’ = 2 hours = 2 × 60 × 60s
t = 7200s
I = 2.5A
Amount of charge, Q = I × t
= 2.5 × 7200
Q = 18000C
APPEARS IN
संबंधित प्रश्न
What is meant by saying that the electric potential at a point is 1 volt?
What do you understand by the term "electric potential"? (or potential) at a point? What is the unit of electric potential?
Name the law which relates the current in a conductor to the potential difference across its ends.
Define the unit of resistance (or Define the unit "ohm").
What is the combined resistance of each of the networks between A and B shown in fig. ?
The voltage across a 3Ω resistance is 6 V. How large is the current? What is
the resistance of a filament lamp when a voltage of 3 V across it causes a
current of 0.5 A?
Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
A current of 100 mA. flows through a wire. The charge on an electron is 1.6 × 10-19 C. Find the number of electrons passing per second through the cross-section of the conductor.
Electric potential is a ____________.
Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres `(σ_1//σ_2 )` is ______.
