Current Electricity Nichrome wire is an alloy of Nickel and chromium Chromium and vanadium Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium Lead and zinc Copper and silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Resistor with zero temperature co-efficient Insulators Carbon resistors Non-linear resistors Resistor with zero temperature co-efficient Insulators Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Infinity Zero About 50 ohms About 500 ohms Infinity Zero About 50 ohms About 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors High currents Dc circuits Small resistors Semi-conductors High currents Dc circuits Small resistors ANSWER DOWNLOAD EXAMIANS APP