►- A charged rod is touched to a small metallic sphere placed at the origin. This is done at time t = 0. A sensitive field detector detects the electric fields at points 10 cm away and 50 cm away at time t = 1 nanosecond

►- If the doping level in a crystal diode is increased, the width of depletion layer ____. (Correct Answer)

►- Every action has its equal and opposite reaction is newton's

Question : Every action has its equal and opposite reaction is newton's

(A). first law

(B). second law

(C). third law

(D). fourth law

►- The system international for describing units was built up from

Question : The system international for describing units was built up from

(A). 2 kind of units

(B). 3 kind of units

(C). 4 kind of units

(D). 5 kind of units

►- The centripetal force has the same direction as the

Question : The centripetal force has the same direction as the

(A). centripetal velocity

(B). centripetal acceleration

(C). angular acceleration

(D). angular speed

►- When the charge of 90C passes through wire in 1 hour 15 min then its current will be

Question : When the charge of 90C passes through wire in 1 hour 15 min then its current will be

(A). 10mA

(B). 20mA

(C). 30mA

(D). 40mA

►- The gravity created by some source is called

Question : The gravity created by some source is called

(A). large gravity

(B). artificial gravity

(C). gravitational force

(D). greater gravity

►- The cross product of AxB with Sin angle 180 would produce results equal to

Question : The cross product of AxB with Sin angle 180 would produce results equal to

(A). 0

(B). A

(C). AB

(D). 1

►- Artificial satellites are the objects that orbit around the earth due to

Question : Artificial satellites are the objects that orbit around the earth due to

(A). earths mass

(B). gravity

(C). force

(D). earths weight

►- The centripetal force has the same direction as the

Question : The centripetal force has the same direction as the

(A). centripetal velocity

(B). centripetal acceleration

(C). angular acceleration

(D). angular speed

►- The gravity created by some source is called

Question : The gravity created by some source is called

(A). large gravity

(B). artificial gravity

(C). gravitational force

(D). greater gravity

►- When the charge of 90C passes through wire in 1 hour 15 min then its current will be

Question : When the charge of 90C passes through wire in 1 hour 15 min then its current will be

(A). 10mA

(B). 20mA

(C). 30mA

(D). 40mA

►- The system international for describing units was built up from

Question : The system international for describing units was built up from

(A). 2 kind of units

(B). 3 kind of units

(C). 4 kind of units

(D). 5 kind of units

►- The device named as a transistor has

Question : The device named as a transistor has

(A). emitter and collector equally doped

(B). emitter heavily doped

(C). collector heavily doped

(D). emitter and base equally doped

►- The current voltage graph of the ohmic devices is a

Question : The current voltage graph of the ohmic devices is a

(A). linear graph

(B). non linear graph

(C). parabolic graph

(D). hyperbola graph

►- Ampere unit according to the SI units is a

Question : Ampere unit according to the SI units is a

(A). base unit

(B). derived unit

(C). international unit

(D). both base unit and derived unit

►- If the number to be neglected is greater than 5 the retained number is

Question : If the number to be neglected is greater than 5 the retained number is

(A). increased

(B). decreased

(C). may increased

(D). may decreased

►- Photo diodes applications include the

Question : Photo diodes applications include the

(A). logic circuits

(B). automatic switching

(C). networking

(D). both logic circuits and automatic switching

►- Rheostat can also be used as a

Question : Rheostat can also be used as a

(A). variable resistor

(B). potential divider

(C). barometer

(D). variable resistor as well as potential divider

►- To assist the movement in water, the dolphins have

Question : To assist the movement in water, the dolphins have

(A). laminared bodies

(B). turbulent bodies

(C). fat bodies

(D). streamlined bodies