Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Negative Positive Almost zero None of the listed here Negative Positive Almost zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Chemical effect Magnetic effect Luminous effect Thermal effect Chemical effect Magnetic effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One watt One joule second One joule Five joules One watt One joule second One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Negative Zero Positive None of the listed here Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Ri None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP
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