0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Define one watt:
  1. one second per joule
  2. one joule per second
  3. ten joules per second
  4. voltage divided by current
  5. resistance multiplied by voltage

A
one joule per second
B
one second per joule
C
ten joules per second
D
voltage divided by current
E
resistance multiplied by voltage
Solution
Verified by Toppr

Watt is a SI unit of power which is defined as the energy per unit time i.e P=Et
Hence one watt is defined as one joule of energy used in one second.
W=Js

Was this answer helpful?
28
Similar Questions
Q1
A certain laser transition emits 6.37×1015 quanta per second per square metre. Calculate the power output in joule per square metre per second( Given λ=632.8nm):
View Solution
Q2
A certain laser transition emits 6.37×1025 quanta per second per square meter. The power output in joules per square meter per second would be (λ=632.8 nm):
View Solution
Q3
What is the power of a body which is doing work at the rate of one joule per second?
View Solution
Q4
Define watt. Express kilowatt in terms of joule per second. A 150 kg car
engine develops 500 W for each kg. What force does it exert in moving the
car at a speed of 20 ms1?
View Solution
Q5

Question 27
Define watt. Express kilowatt in terms of joule per second. A 150 kg car engine develops 500 W for each kg. What force does it exert in moving the car at a speed of 20 ms1?

View Solution