Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 20 W 10 W 40 W 60 W 20 W 10 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Very good conductor Insulator Moderately good conductor None of the listed here Very good conductor Insulator Moderately good conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt-hour Coulomb Henry Watt Watt-hour Coulomb Henry Watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Are of cross-section Temperature Resistivity Length Are of cross-section Temperature Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator A semiconductor None of the listed here A conductor An insulator A semiconductor None of the listed here A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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