Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Temperature Cross-sectional area Material Shape of cross-section Temperature Cross-sectional area Material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Silicon carbide Graphite Charcoal Nichrome Silicon carbide Graphite Charcoal ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Both positive and negative charges Negative charges only Neutral particles only Positive charges only Both positive and negative charges Negative charges only Neutral particles only Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Chemical effect Magnetic effect Luminous effect Thermal effect Chemical effect Magnetic effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Carbon Copper Silver Constantan Carbon Copper Silver ANSWER DOWNLOAD EXAMIANS APP
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