If one of the resistors in a parallel circuit is removed, the total resistance will be:
Doubled
Decreased
Increased
Remain same
The diameter of spherical mirror is called:
Curvature
Aperture
Sphere
Both a and b
The waves, which are used to detect the broken bones are called:
Light waves
x-rays
sound waves
both b and c
The colour of live wire is:
Black or blue
Green or yellow
White or grey
Red or brown
Which is the best material for making connecting wires:
Iron
Copper
Tungsten
Nickel
