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 Electrical current is due to the flow of Positive charges only Neutral particles only Both positive and negative charges Negative charges only Positive charges only Neutral particles only Both positive and negative charges Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases Remains constant Increases First increases and then decreases Decreases Remains constant Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two molecules Two metal particles Two atoms Two ions Two molecules Two metal particles Two atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Low but not zero Zero High but within tolerance Infinite Low but not zero Zero High but within tolerance Infinite ANSWER DOWNLOAD EXAMIANS APP