For a particle executing simple harmonic motion, match the following statements (conditions) from column I to statements (shapes of graph) in column II.
a-iv, b- i, c-ii, d-iii
a-iii, b-i, c-ii, d-iv
a-iii, b-ii, c-i, d-iv
a-iv, b-ii, c-i, d-iii
An inductor and a resistor are connected in series to an AC source of voltage \( 144\sin(100\pi t + \frac{\pi}{2}) \) volts. If the current in the circuit is \( 6\sin(100\pi t + \frac{\pi}{2}) \) amperes, then the resistance of the resistor is: