3.While performing an experiment to study the dependence of current on the potential difference across two ends of the resistor, a student keeps the circuit closed for a long time to measure the current and potential difference. State how the resistance of the resistor will be affected?
smartsaravanan039
Asked:
September 2023
8.Two wires A and B are of equal length and have equal resistance. If the resistivity of A is more than that of B which wire is thicker and why? For the electric circuit given below calculate: (i) Current in each resistor, (ii) Total current drawn from the battery, and...
smartsaravanan039
Asked:
September 2023
13.When a high resistance voltmeter is connected directly across a resister its reading is 2 V. An electric cell is sending the current of 0.4 A, (measured by an ammeter) in the electric circuit in which a rheostat is also connected to vary the current. (a) Draw an equivalent labelled...
smartsaravanan039
Asked:
September 2023
8.Two wires A and B are of equal length and have equal resistance. If the resistivity of A is more than that of B which wire is thicker and why? For the electric circuit given below calculate: (i) Current in each resistor, (ii) Total current drawn from the battery, and...