Advertisements
Advertisements
प्रश्न
What do you understand by the resistance of a wire?
Advertisements
उत्तर
The obstruction offered in the flow of electrons (or current) by the material of the wire, is called its resistance.
APPEARS IN
संबंधित प्रश्न
Name a device that helps to maintain a potential difference across a conductor.
What is the unit of electric charge?
Define one coulomb charge.
Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.
Ohm's law state a relation between potential difference and ___________.
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.
What current will be taken by a 920 W appliance if the supply voltage is 230 V?
The differences between the electrostatic potential of the positive end the negative end of an electric cell is the ______ of the cell.
Draw a graph of Potential difference (V) versus Current (I) for an ohmic resistor. How can you find the resistance of the resistor from this graph?
Study the following circuit and find:
- Effective resistance of the circuit
- Current drawn from the battery
- Potential difference across the 5 omega resistor
