Which of the following statements is incorrect? The sensi...
Which of the following statements is incorrect? The sensitivity of a galvanometer which incorporates an optical lever arrangement may be increased by providing
a larger number of turns in the coil
a thinner suspension with a small torsional control
a special alloy permanent magnet which gives a high magnetic flux
all of the above
a light source with a greater intensity
Correct answer is D
No explanation has been provided for this answer.
In a purely inductive circuit, the current ...
Which of the following substances is the most volatile at room temperature? ...
Energy losses through eddy currents are reduced by using ...
If the refractive index of glass is 1.5, what is the critical angle at the air-glass interface?...
In copper plating, a current of 0.5A is allowed for cathode area of 100cm². If this current is ...
A man weight 800N climbs up a stairs to height of 15m in 12.5s. What is the man''s average p...