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प्रश्न
What do the letters p.d. stand for?
उत्तर
The acronym p.d. stands for the potential difference between two points in an electric circuit.
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संबंधित प्रश्न
Name a device that help to measure the potential difference across a conductor.
The p.d. across a lamp is 12 V. How many joules of electrical energy are changed into heat and light when: a current of 2 A flows through it for 10 s?
In the circuit diagram given below, the current flowing across 5 ohm resistor is 1 amp. Find the current flowing through the other two resistors.
The differences between the electrostatic potential of the positive end the negative end of an electric cell is the ______ of the cell.
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.
Five resistors of different resistances are connected together as shown in the figure. A 12 V battery is connected to the arrangement.
Calculate:
(i) the total resistance in the circuit
(ii) the total current flowing in the circuit.
A battery of 10 volt carries 20,000 C of charge through a resistance of 20 Ω. The work done in 10 seconds is:
If P and V are the power and potential of device, the power consumed with a supply potential V1 is:
Assertion (A): Charges flow from higher potential to lower potential.
Reason (R): Current flows mainly due to the flow of electrons.
What is the measure of the work done on the unit positive charge to bring it to that point against all electrical forces?
