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 Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω Ω-m Ω/m None of the listed here m/Ω Ω-m Ω/m None of the listed here 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 Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Area of cross-section Temperature Resistivity Length Area of cross-section Temperature Resistivity ANSWER DOWNLOAD EXAMIANS APP
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