Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero None of the listed here Positive Negative Almost zero None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Inductance Resistance Capacitance Reluctance Inductance Resistance Capacitance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive 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 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP