MCQ
One kilowatt hour is equal to.
- A36 × 106J
- B36 × 10-5J
- C3.6 × 106J
- D0.36 × 106J
✓
Answer
- 3.6 × 106J
Explanation:
One kilowatt-hour is equal to 3.6·106 joules:
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The human eye can focus objects at different distances by adjusting the focal length of the eye-lens. This is due to:
- Presbyopia.
- Accommodation.
- Near-sightedness.
- Far-sightedness.
At a given time, a house is supplied with 100A at 220V. How many 75W, 220V light bulb could be switched on in the house at the same time (if they are all connected in parallel)?
Each electrical appliance is provided with a _______ core flexible cable:
To obtain a magnification of, -2 with a convex lens of focal length 10cm, the object should be placed:
Which of the following lens will diverge the ray of light more?
An electron beam enters a magnetic field at right angles to it as shown in the Figure.
The direction of force acting on the electron beam will be:
The direction of force acting on the electron beam will be:
The fuel which is not obtained from biomass is:
- Firewood.
- Cow-dung cakes.
- Coke.
- Charcoal.
Which of the following statements is true?
- A convex lens has 4 dioptre power having a focal length 0.25m.
- A convex lens has -4 dioptre power having a focal length 0.25m.
- A concave lens has 4 dioptre power having a focal length 0.25m.
- A concave lens has -4 dioptre power having a focal length 0.25m.
Insulators:
Dynamo works on the principle of: