Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C 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 Negative About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero 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 Rl Either Rl or Ri Ri None of them Rl Either Rl or Ri Ri None of them ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Length Temperature Are of cross-section Resistivity Length Temperature Are of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Currents are additive Power are additive Elements have individual currents Voltages are additive Currents are additive Power are additive Elements have individual currents Voltages are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 60 W 20 W 10 W 40 W 60 W 20 W 10 W ANSWER DOWNLOAD EXAMIANS APP
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