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Which of these statements regarding sensors is TRUE? a) Sensors are input devices. b) Sensors can be analog as well as digital. c) Sensors respond to some external stimuli. d) All of these

Option d) All of these.... View Article

Why should we wear seat belt while sitting in cars ()

Seat belts are mainly provided to prevent injuries in case of unpredicted crashes or accidents. According to Newton's first law of motion, when... View Article

What is atmospheric pressure? what is it caused by

Atmospheric pressure is the force exerted on the Earth's surface by the column of air above the Earth. Atmospheric pressure is caused by the... View Article

Is time scalar quantity or vector? How?

Time is a scalar quantity. Since it has no direction.... View Article

a dynamo converts

A dynamo converts mechanical energy into electrical energy.... View Article

Which of the following is the least important consideration while forming a value maximization scrum? A) associate’s years of experience B) value log entries selected for the sprint C) potential impact on BAU D) associate’s skills

B) value log entries selected for the sprint.... View Article

the ripple factor in a half wave rectifier is

The ripple factor of half wave rectifier is equal to 1.21.... View Article

When a rubber band is stretched by a distance x, it exerts a restoring force of magnitude F = ax + bx² where a and b are constants. The work done in stretching the un-stretched rubber band by L is?

Answer: F = ax + bx2 dw = F dx What is the definiton of one Joule in terms of work done? When do we say that work is done?... View Article

Two point charges q1 and q2 of magnitude +10-8 C and -10-8 C respectively are placed 0.1 m apart. Calculate the electric field at point A.B & C.

The electric field at point A = electric field due to q<sub>1</sub> + electric field due to q<sub>2</sub> = 72000 N/C... View Article

State true or false: Model tuning helps to increase the accuracy.

TRUE... View Article

a car of mass 1000kg is moving with a velocity of 10m/s.If the velocity time graph for this car is a horizontal line parallel to the time axis,then the velocity of car at the end of 25 seconds will be what?

Car’s velocity at the end of 25 seconds will be 10 m/s.... View Article

Can i use eno instead of baking soda in baking soda volcano

Yes, you can use eno instead of baking powder in the volcano experiment.... View Article

What are ohmic and non-ohmic devices? Give examples.

Devices that follow Ohm's law is known as ohmic devices. Examples: resistor and wire. Devices that do not follow Ohm's law is known as non-ohmic... View Article

which type of coal is the best quality of coal

Anthracite is the best quality of coal.... View Article

Qualitative definition of force is given by a.Newton’s first law of motion b.Newton’s second law of motion c.Newton’s third law of motion d.Newton’s law of gravitation

Answer: Option (a) Newton's first law of motion... View Article

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