EASY
12th Uttar Pradesh Board
IMPORTANT
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A silicon diode has a threshold voltage of 0.7 V. If an input voltage given by 2 sin () is supplied to a half-wave rectifier circuit using this diode, the rectified output has a peak value of
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Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits
EASY
12th Uttar Pradesh Board
IMPORTANT
In the circuit shown assume the diode to be ideal. When increases from to , the change in the current accross the resistor is (in )
EASY
12th Uttar Pradesh Board
IMPORTANT
The circuits that make rippled AC to pure DC are known as
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Describe how a semiconductor diode is used as a half-wave rectifier.
HARD
12th Uttar Pradesh Board
IMPORTANT
Draw the circuit diagram of a full wave rectifier. Briefly explain its working.
HARD
12th Uttar Pradesh Board
IMPORTANT
Describe with a circuit diagram how ac voltage is rectified with the help of a diode.
EASY
12th Uttar Pradesh Board
IMPORTANT
Why silicon diode is better compared to a germanium diode in a rectifier ?
HARD
12th Uttar Pradesh Board
IMPORTANT
Draw the circuit diagrams for half-wave and full-wave rectification done with a - diodes. Explain the action of diodes. Draw the input and output waveforms.
EASY
12th Uttar Pradesh Board
IMPORTANT
When a battery is connected to a -type semiconductor with a metallic wire, the current in the semiconductor (predominantly), inside the metallic wire and that inside the battery respectively due to
