Advertisements
Advertisements
प्रश्न
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be ____________ V.
उत्तर
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be 1.5 + 1.5 + 1.5 = 4.5 V.
संबंधित प्रश्न
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V?
The other name of potential difference is:
Keeping the potential difference constant, the resistance of a circuit is halved. By how much does the current change?
100 joules of heat is produced per second in a 4 ohm resistor. What is the potential difference across the resistor?
The V-I graph for a series combination and for a parallel combination of two resistors is shown in Fig – 8.38. Which of the two, A or B, represents the parallel combination? Give a reason for your answer.
A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:
(i) The resistance of the wire, and
(ii) The heat energy produced in 1 minute.
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.
What does the positive and negative sign of potential convey?
