What is capacitor and capacitance? A capacitor is a device that stores charge and releases it when necessary. Capacitance is the measure of the... View Article
Where is a magnetic field strongest? The magnetic field is strongest near the poles of the magnet. It is equally strong at both the poles. The... View Article
Is Earth a giant magnet? Yes, Earth is considered as a giant magnet. The Earth’s geographical north pole is considered as the magnetic south pole... View Article
Can two independent sources of light be coherent? No, they are not coherent. The phase difference between the two waves will not be constant. The... View Article
Why is momentum conserved? According to Newton’s third law of motion, momentum is always conserved. During a collision, the forces of the... View Article
A magnet is used in a compass to show the direction Powerful magnets are used to lift objects Magnets are used in generators and motors... View Article
Is power directly proportional to the resistance? Yes. The mathematical relationship between power and the resistance is given as P = I2R P is... View Article
What does equilibrium mean? When there is no unbalanced force acting on the system as a whole or on any part of the system then it is called... View Article
In which region transistor acts as a switch? Transistor acts as a switch in the saturation region and cutoff region. The emitter-base junction... View Article
What happens when two forces act in the same direction? When two forces act on an object in the same direction the forces add up to produce a... View Article
How many types of transformers are there? There are several types of transformers for different purposes. The transformers are classified based... View Article
What is uncertain in Uncertainty Principle? Uncertainty principle states that there is uncertainty in measuring the variable of the particle. The... View Article
What is saturation current in the photoelectric effect? The frequency and intensity of the incident light are kept constant. The positive voltage... View Article
What are the types of motion? The types of motion are Linear motion: Motion in which the particles move in a straight line path or curved... View Article
Are matter waves electromagnetic? Matter waves are not electromagnetic waves. Matter waves do not depend on the charge like the electromagnetic... View Article
Do all metals conduct electricity? All the metals conduct electricity, but some of the metals are used commonly due to high conductivity. Metals... View Article
Why does voltmeter have high resistance? A voltmeter is a device to measure the voltage between two points in a circuit. It should not change the... View Article
What will happen if voltmeter is connected in series? The voltmeter has a high resistance. When a high resistance voltmeter is connected in... View Article
What are different types of capacitors? There are different types of capacitors with various functions and applications. Capacitor types are... View Article
How magnetic field is created? The magnetic field is created by moving electric charged particles. The strength of the magnetic field is directly... View Article
