1hp = ………………………..
a) 645W
b) 746W
c) 846W
d) 946W
Explanation: one horsepower (hp) is defined as 550ft.lb/s which is equal to 746Watt.
The electricity bills that we pay are measured in terms of ……….unit of power.
a) watt
b) joule
c) kilowatt
d) horsepower
1MWatt
= …………..
a) 103W
b) 10-3W
c) 106W
d) 10-6W
Explanation: 1MEGA=106
Power is a ………….quantity.
a) scalar
b) base
c) derived
d) vector
The power of Milky Way galaxy is …….watts.
a) 1017
b) 1027
c) 1037
d) 1047