Calculate the work done in a resistor of 20 ohm carrying 5A of curren – McqOptions

MCQOPTIONS

1.	Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours.
A.	1.5J
B.	15J
C.	1.5kWh
D.	15kWh
Answer» D. 15kWh

Discussion

No Comment Found

Related MCQs

The SI unit of power is?
Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours.
Calculate the power across each 10 ohm resistance.
Calculate the power across each 20 ohm resistance.
A current of 5A flows in a resistor of 2 ohms. Calculate the energy dissipated in 300 seconds in the resistor.
Calculate the power in the 20 ohm resistance.
The force required to tow a vehicle at constant velocity is directly proportional to the magnitude of velocity raised to the first power. It requires 1000 W to tow with a velocity of 10 m/s. How much power is required to tow at a velocity of 8 m/s?
A body of mass 3 kg starts from rest with a uniform acceleration of unknown magnitude. If the body has a velocity of 30 m/s in 6 seconds, what is the power consumed in 3 seconds?
A 200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 36 km/h. How much power is delivered by the engine if the frictional force is 25% of the weight of the car? (Assume g = 10m/s2)
A 200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 10 m/s. How much power is delivered by the engine? (Assume g = 10m/s2)