1. | \(1 / \sqrt{2}\) times the rms value of the AC source |
2. | the value of voltage supplied to the circuit |
3. | the rms value of the AC source |
4. | \(\sqrt{2}\) times the rms value of the AC source |
A \(40\) F capacitor is connected to a \(200\) V, \(50\) Hz AC supply. The rms value of the current in the circuit is, nearly:
1. \(2.05\) A
2. \(2.5\) A
3. \(25.1\) A
4. \(1.7\) A
1. | \(100~\text{mA}\) | 2. | \(200~\text{mA}\) |
3. | \(20~\text{mA}\) | 4. | \(10~\text{mA}\) |
The r.m.s. value of the potential difference V shown in the figure is:
1.
2.
3.
4.
In an AC circuit, the emf (e) and the current (I) at any instant are given respectively by
e = E0sint
I = I0sin
The average power in the circuit over one cycle of AC is:
1.
2.
3.
4.