AIM
To determine of the equivalent resistance of two resistors when connected in series.
To determine the equivalent resistance of two resistors when connected in parallel.
What is zero error?
What is least count?
Suppose the ammeter you are using in this experiment does not have positive and negative markings , How will you use such ammeter?
Suppose the deflection go beyond the full scale. What will you infer from such observation?
Why it is advised to clean the ends of connecting wires before connecting them?
While taking the reading the student observe that pointer on voltmeter is 15th division when voltmeter least count is 0.05V. Find the observed reading of voltmeter?
In a series combination, what happens to voltage and current?
What is the equivalent resistance for a series combination & parallel combination?
In parallel combination, is the current same or voltage same in the circuit?
Why are the standard resistances made up of manganin wire?
What should be characteristics of standard resistance?
Why connecting wires are made of copper?
How many times will be the equivalent resistance of two identical resistors be increased if the parallel arrangement is changed to a series arrangement?
Can you distinguish between resistor and resistance?
In what way household appliances should be connected?
Draw a diagram which shows the direction of current & the current carriers.
Why is ammeter always connected in series in a circuit?
Why is voltmeter always connected in parallel?
Which device has high resistance voltmeter or ammeter?
Why closed path is required for flow of current?
What happens to the resistance of a conductor if the area of cross section is increased?
Why are copper and aluminium wires used for electrical transmission?
What helps to maintain the potential difference across a conductor?
Write one advantage of connecting devices in parallel and not in series.
Give one difference between open circuit & closed circuit?
