What principles are involved in sonometer experiment?
Sonometer is basically used to study the relationship between frequency, tension , linear mass density and length of a stretched... View Article
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A galvanometer of resistance 50Ω is connected to a battery of 3V along with a resistance of 2950Ω in series. A full-scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to 20 divisions, the resistance in series should be (1) 6050 Ω (2) 4450 Ω (3) 505 Ω (4) 5550 Ω
Answer: (2) 4450Ω Resistance = 50Ω Battery = 3V Total initial resistance = G+ R = 50Ω + 2950Ω Total initial... View Article
What is the difference between odometer and speedometer?
To measure the distance travelled we use the device named odometer. The distance travelled by vehicle between any two points... View Article
What are supplementary quantities?
Supplementary units are the dimensionless units that are used along with the base units to form derived units in the... View Article
List the factors on which the resistance of a conductor depends.
Resistance is the characteristic of a material which opposes the flow of electric current. It depneds on various factores. Here... View Article
A 4-ohm resistance wire is doubled on it calculate the new resistance of the wire.
Answer: The electrical resistance of a circuit is the ratio between the voltage applied to the current flowing through it.... View Article
An electric bulb is rated 220V and 100W. When it is operated on 110V, what will be the power consumed?
Given: An electric bulb is rated 220V and 100W Find out: Power consumed when it is operated on 110 V... View Article
A racing car has a uniform acceleration of 4m/s square. What distance will it cover in 10sec after start?
Answer: A racing car has a uniform acceleration of 4m/s square, it will cover 200m in 10sec after start. Given... View Article
What does the speedometer of a car measure?
Speedometer of the car measures the instantaneous speed of the car. It displays the instantaneous speed of a vehicle .... View Article
Define the specific electric loading and magnetic loading.
The specific magnetic loading is defined as the total flux per unit area over the surface of the armature periphery... View Article
State the law of simple pendulum
The time period of the simple pendulum is independent of the amplitude, provided the amplitude is sufficiently small. This property... View Article
State the empirical laws of static friction and kinetic friction
The law of static friction states that the force of friction, that resists the motion of the body as it... View Article
A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?
Magnification is the increase in the image size produced by spherical mirrors with respect to the object size. It is... View Article
What is the difference between open and closed circuit?
A circuit is said to be closed when every part of it is made of a conductor and on plugging... View Article
What is arbitrary motion?
Arbitrary mean the unknown path that cannot be calculated or exactly known. The arbitrary motion is used to denote growing... View Article
Mention a few examples of Push and Pull
Push is defined as the force that is responsible for an object to move from the state of rest. Examples... View Article
What is periodic motion? Explain with example
A motion repeating itself at regular intervals is regarded as periodic motion. In simpler words, A motion that repeats itself... View Article
What is the power factor of RLC circuit?
Power Factor of an alternating current circuit is the ratio of true power dissipation to the apparent power dissipation in... View Article
The output of the charge controller regulates the volt to ___________
The output of the charge controller regulates the volt to ______. Answer The output of the charge controller regulates the... View Article
Which of the following is not a fundamental unit? 1) cm 2) kg 3) centigrade 4) volt
Answer: (4) Volt Fundamental unit The International System of Units describes the fundamental units as the base units. Since these... View Article
