Current Electricity An instrument which detects electric current is known as Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Silicon carbide Charcoal Graphite Nichrome Silicon carbide Charcoal Graphite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m Ω/m None of the listed here m/Ω Ω-m Ω/m None of the listed here m/Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Low Any value Very low High Low Any value Very low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Manganin Constant Copper Nichrome Manganin Constant Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance ANSWER DOWNLOAD EXAMIANS APP