Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 64 Q 36 Q 48 Q 18 Q 64 Q 36 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A conductor A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance An insulator A superconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators 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 Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
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