The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic meridian is…
7 years ago
UP2013
The phenomenon of radioactivity
The phenomenon of radioactivity Options (a) increases on applied pressure (b) is exothermic change which increases or decreases with temperature…
7 years ago
Which one of the following options shows correct matching pair?
Which one of the following options shows correct matching pair? Options (a) man - ureotelic (b) bird - ammonotelic (c)…
7 years ago
A sphere of 4cm radius is suspended with in a hollow sphere of 6cm radius. If the inner
A sphere of 4cm radius is suspended with in a hollow sphere of 6cm radius. If the inner sphere is…
7 years ago
The depletion layer in the p-n junction region is caused by
The depletion layer in the p-n junction region is caused by Options (a) drift of holes (b) drift of electrons…
7 years ago
What is the value of Ā+A in the Boolean algebra?
What is the value of Ā+A in the Boolean algebra? Options (a) A (b) 0 (c) 1 (d) Ā Correct…
7 years ago
The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb. The amount of induced…
7 years ago
Two coils have the mutual inductance of 0.05 H.
Two coils have the mutual inductance of 0.05 H. The current changes in the first coil as I=I₀ sin ωt,…
7 years ago
In photoelectric effect, the photoelectric current
In photoelectric effect, the photoelectric current Options (a) depends both on intensity and frequency of incident beam (b) does not…
7 years ago
An atom bomb weighing 1 kg explodes releasing 9×10¹³ J of energy.
An atom bomb weighing 1 kg explodes releasing 9x10¹³ J of energy. What percentage of mass is converted into energy?…
7 years ago