1kWh=1kWh=
1. 1000W1000W
2. 36×105J36×105J
3. 1000J1000J
4. 3600 J3600 J
Universal time is based on :
1. Rotation of the earth on its axis
2. Earth's orbital motion around the Sun
3. Vibrations of cesium atom
4. Oscillations of quartz crystal
Unit of moment of inertia in MKS system
1. kg×cm2kg×cm2
2. kg/cm2kg/cm2
3. kg×m2kg×m2
4. Joule×mJoule×m
Unit of stress is:
1. NmNm
2. N-mN-m
3. Nm2
4. N-m2
Unit of magnetic moment is
1. Ampere−metre2
2. Ampere−metre
3. Weber−metre2
4. Weber/metre
Curie is a unit of
1. Energy of γ-rays
2. Half life
3. Radioactivity
4. Intensity of γ-rays
Hertz is the unit of
1. Frequency
2. Force
3. Electric charge
4. Magnetic flux
One pico Farad is equal to
1. 10−24F
2. 10−18F
3. 10−12F
4. 10−6F
In SI, Henry is the unit of
1. Self inductance
2. Mutual inductance
3. (1) and (2) both
4. None of the above
The unit of e.m.f. is
1. Joule
2. Joule-Coulomb
3. Volt–Coulomb
4. Joule/Coulomb