Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.
Name a device which helps to maintain potential difference across a conductor (say, a bulb).
The p.d. across a lamp is 12 V. How many joules of electrical energy are changed into heat and light when:
a charge of 5 C passes through it?
Write down the formula which states the relation between potential difference, current, and resistance.
State the S.I. unit of electric potential.
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?
How will you conclude that the same potential difference (voltage) exists across three resistors connected in a parallel arrangement to a battery?
The SI unit of potential difference is ______.
What is the measure of the work done on the unit positive charge to bring it to that point against all electrical forces?
