If the capacitance of a capacitor is C = (εA)/d, which of the following parameters is varied when a variable capacitor is used for tuning radio sets?

Similar Questions

A particle of mass M initially at rest splits into two. If one of the particles of mass M1 moves wit...

Consider the three forces acting at O and in equilibrium as shown in the figure. Which of the follow...

Two radioactive elements X and Y have half-lives of 100 and 50 years respectively. Samples of X and ...

What is the energy stored in a 10μ F capacitor if the potential difference between the plates is 40...

A body of mass 10kg rests on a rough inclined plane whose angle of tilt \(\theta\) is variable. \(\t...

What is the resultant resistance of the circuit in the image shown? ...

A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds. A short while ...

A conductor has a diameter of 1.00mm and length of 2.00m. If the resistance of the material is 0.1&O...

Electrical power is transmitted at a high voltage rather than a low voltage because the amount of en...

Which of the following statements is/ are correct? I. Gravitational potential due to a mass at a po...