Current Electricity Electric current passing through the circuit produces Magnetic effect Chemical effect Thermal effect Luminous effect Magnetic effect Chemical effect Thermal effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor None of the listed here A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Infinity About 500 ohms Zero About 50 ohms Infinity About 500 ohms Zero About 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS