EASY
Earn 100

Three resistors, each with resistance r, are in series in a circuit. They are replaced by one equivalent resistor of resistance R. Which of the following statements is correct?

50% studentsanswered this correctly

Important Questions on Physics

MEDIUM
General Science>General Science>Physics>Electricity
Five resistance of 0.2 ohms, 0.3 ohms, 0.4 ohms, 0.5 ohms & 12 ohms is connected in series with 12 V Battery. Find the current carried by 0.3 ohms resistance:
EASY
General Science>General Science>Physics>Electricity

Which of the following is a landlocked country?

EASY
General Science>General Science>Physics>Electricity
Which of the following acids is used in-car batteries?
EASY
General Science>General Science>Physics>Electricity
What is the name of the phenomena in physics and astronomy which involves the splitting of a spectral line into two or more components of slightly different frequency when the light source is placed in a magnetic field?
EASY
General Science>General Science>Physics>Electricity
An electric current of 0.5 A is passed for 8 minutes through the filament of an electric bulb. What will be the charge passing through the medium of the electric current?
MEDIUM
General Science>General Science>Physics>Electricity
Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
EASY
General Science>General Science>Physics>Electricity
On which lake is the Golden Temple located?
EASY
General Science>General Science>Physics>Electricity
1 horse power is equal to approximately ______ watts.
EASY
General Science>General Science>Physics>Electricity
Volt×second is the unit of: 
MEDIUM
General Science>General Science>Physics>Electricity
The commonly used safety fuse-wire is made up of _____.
EASY
General Science>General Science>Physics>Electricity
1 horsepower = approximately _____ watts.
EASY
General Science>General Science>Physics>Electricity

The shape of the path of free electron in a metal is _____:

MEDIUM
General Science>General Science>Physics>Electricity
The rating for a fuse used in a household electric circuit is provided on the basis of:
EASY
General Science>General Science>Physics>Electricity
George Simon Ohm in whose honour we have the famous Ohm's Law, hailed from which country?
MEDIUM
General Science>General Science>Physics>Electricity
_____ waves include visible light waves, X-rays, Gamma rays, Radio waves, Microwaves, ultraviolet waves and infrared waves.
EASY
General Science>General Science>Physics>Electricity
A set of equations involving electric and magnetic fields, and their sources, the charge and current densities are known as _____ equations.
MEDIUM
General Science>General Science>Physics>Electricity
Electrical conductance through metals is called electronic conductance and it _____.
MEDIUM
General Science>General Science>Physics>Electricity

What will be the direction of the magnetic field at the very bottom point of a horizontal power line, where the current flows from east to west when viewed from the west end?


 

EASY
General Science>General Science>Physics>Electricity
Earth Attracts particles because of _____:

 
EASY
General Science>General Science>Physics>Electricity

The flow of _____ is anti–clockwise in the given circuit:

Question Image