Question
Which country is often credited with the development of
the art of bonsai?Solution
Bonsai originated in China, although it is commonly associated with Japanese culture.
What happens to resistance of a wire when its length is doubled (keeping area constant)? Â
Fog is an example of –
A capacitor of 4 µF is charged to 100 V. It is then connected across an uncharged 2 µF capacitor. Final common voltage is:
A closely wound solenoid 40 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 2 cm. If the current carried is 8.0 A, e...
The resistance of a wire is directly proportional to:
In the equation of motion (2as = v² - u²), (s) represents:
What is the magnitude of magnetic force per unit length on a wire carrying a current of 10 A and making an angle of 30° with the direction of a unif...
A metallic conductor of circular cross-section has radius R. If current density varies as J = Jₒ(1−r/R), the total current through the conductor is:...
Which of the following is NOT a conductor of electricity?
What is colour of light related to?
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