EASY
12th Haryana Board
IMPORTANT
Earn 100
Draw energy band diagram of type semiconductor.
Important Questions on Solved Physics Paper-2
EASY
12th Haryana Board
IMPORTANT
When does a pure semiconductor behave as an insulator.
EASY
12th Haryana Board
IMPORTANT
State the postulates of Huygen's wave theory.
EASY
12th Haryana Board
IMPORTANT
What will be the ratio of the sizes of nuclei of mass numbers ?
EASY
12th Haryana Board
IMPORTANT
How does the energy gap in a semiconductor vary, when doped with a pentavalent impurity?
EASY
12th Haryana Board
IMPORTANT
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
HARD
12th Haryana Board
IMPORTANT
Four resistance and form a Wheatstone's network. Find the resistance which when connected across the resistance, will balance the network.
HARD
12th Haryana Board
IMPORTANT
Show that electric potential at a point , at a distance from a fixed point charge is given by
HARD
12th Haryana Board
IMPORTANT
Consider two parallel coaxial circular coils of equal radius , and number of turns , carrying equal currents in the same direction, and separated by a distance . Show that the field on the axis around the midpoint between the coils is uniform over a distance that is small as compared to , and is given by,
