Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Negative Positive Almost zero None of the listed here Negative Positive Almost zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Any electron from the orbit Third electron from the orbit Second electron from the orbit First electron from the orbit Any electron from the orbit Third electron from the orbit Second electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity 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 4.6 A, 9.6 A 6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS