When the tension in a sonometer wire is doubled, the ratio of the new frequency to the initial frequency is?
When a transformer has more secondary windings than primary windings, it?
The direction of induced current in a straight wire placed in magnetic field is determined by using?
Which of the following statements explains lost volt in an electric circuit? The
The circuit above consists of an a. c. voltage input, a diode, a resistor and a voltmeter.
(a) Identify the circuit.
(b) Draw the waveform for the output voltage.
