Current Electricity For testing appliances, the wattage of test lamp should be Very low Any value High Low Very low Any value High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 800 Ω 400 Ω 1000 Ω 600 Ω 800 Ω 400 Ω 1000 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Zero Negative Positive About 2 ohms per degree Zero Negative Positive About 2 ohms per degree ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 4.6 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
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