Current Electricity The flow of current in solids is due to Electrons and ions Atoms Nucleus Electrons Electrons and ions Atoms Nucleus Electrons ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Charcoal Nichrome Silicon carbide Graphite Charcoal Nichrome Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator None of the listed here Very good conductor Moderately good conductor Insulator None of the listed here Very good conductor Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Area of cross-section Length Resistivity Temperature Area of cross-section Length Resistivity Temperature ANSWER DOWNLOAD EXAMIANS APP
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