Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be increased Length of heating element has no effect on heating if water None of these Length of heating element should be decreased Length of heating element should be increased Length of heating element has no effect on heating if water None of these Length of heating element should be decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Charcoal Graphite Silicon carbide Nichrome Charcoal Graphite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP