If the capacitance of a capacitor is C = (εA)/d, ...
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?
constant (ε) and area
area and distance.
constant (ε) only
distance only
Correct answer is B
No explanation has been provided for this answer.
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