Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Temperature Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Remains same Increases Heater will burn out Decreases Remains same Increases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high Practically zero High Low Very high Practically zero High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only ANSWER DOWNLOAD EXAMIANS APP