Current Electricity A thermistor has Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed Supply wiring is covered with insulation layer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 5 ohms 15 ohms 55 ohms 10 ohms 5 ohms 15 ohms 55 ohms 10 ohms ANSWER DOWNLOAD EXAMIANS APP
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