Current Electricity Voltage dependent resistors are used As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Capacity Charge Potential None of the listed here Capacity Charge Potential None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Zero Negative None of the listed here Positive Zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Infinity Zero About 500 ohms About 50 ohms Infinity Zero About 500 ohms About 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP