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 1000 Ω 600 Ω 400 Ω 800 Ω 1000 Ω 600 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor An insulator None of the listed here A semiconductor A conductor An insulator None of the listed here A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on Both magnitude of voltage and current The magnitude of voltage on the conductor The magnitude of current flowing through it None of the listed here Both magnitude of voltage and current The magnitude of voltage on the conductor The magnitude of current flowing through it None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Watt-hour Watt Henry Coulomb Watt-hour Watt Henry Coulomb ANSWER DOWNLOAD EXAMIANS APP