Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 10 ohms 15 ohms 55 ohms 5 ohms 10 ohms 15 ohms 55 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator None of the listed here Moderately good conductor Very good conductor Insulator None of the listed here Moderately good conductor Very good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases Increases Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive Negative About 2 ohms per degree Zero Positive Negative About 2 ohms per degree Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 500 ohms Infinity About 50 ohms Zero About 500 ohms Infinity About 50 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
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