Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases 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. Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Voltages are additive Currents are additive Power are additive Elements have individual currents Voltages are additive Currents are additive Power are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 4 watts 8 watts 6 watts 2 watts 4 watts 8 watts 6 watts 2 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m m/Ω None of the listed here Ω/m Ω-m m/Ω None of the listed here Ω/m ANSWER DOWNLOAD EXAMIANS APP
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