Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive Negative Zero None of the listed here Positive Negative Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Is excited Begins to weep Becomes insensitive to pain Begins to laugh Is excited Begins to weep Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Semiconductors Varistors Thermistor Variable resistors Semiconductors Varistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Negative Positive Zero None of the listed here Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS