Can interference happen without diffraction?
Yes, in the case of thin-film interference, the phenomena of interference happen without diffraction. Thin-film interference is a natural phenomenon... View Article
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How is a Pulse Width Modulation Signal generated?
A pulse width modulating signal is generated using a comparator. The modulating signal forms one part of the input to... View Article
Why is Newton’s form of Kepler’s third law so useful to astronomers?
The relation stated by Kepler’s law is used by astronomers to figure out the orbit of planets around other stars.
Why is Thevenin’s theorem useful?
Thevenin’s Theorem is an easy method for the analysis of power circuits with loads that change value during the analysis... View Article
Is superposition theorem applicable to AC circuits?
Yes, the superposition theorem is applicable to AC circuits as well. The theorem is valid for any linear circuit. The... View Article
What is the normal force in circular motion?
The normal force in a circular motion is the centripetal force.
How do you simplify Wheatstone bridge?
The current enters the galvanometer and divides into two equal magnitude currents as I1 and I2. The following condition exists... View Article
What is the black body temperature of Earth?
The blackbody temperature of the Earth is -23°C.
Can a moment be negative?
Yes, a moment can be negative. The direction of the moment depends upon the axis of rotation with respect to... View Article
What is the importance of Thevenin theorem?
Thevenin’s Theorem is an easy way to analyze power circuits, which has a load that changes value during the analysis... View Article
Are infrasound waves transverse or longitudinal?
One of the prominent examples of infrasound waves is the earthquake waves. There are three types of earthquake waves and... View Article
Which starter is used for slip ring induction motor of high ratings?
Rotor resistance starter is used for slip ring induction motors of high ratings.
What is the principle of compound pendulum?
A compound pendulum is made of an extended mass that is free to oscillate about a horizontal axis. A special... View Article
How is potential gradient measured?
The potential gradient is calculated by measuring the potential difference between the ends of the potentiometer wire and dividing it... View Article
What happens when entropy increases?
Entropy is a measure of randomness or disorder in a system. High entropy means high disorder and low energy. Similar... View Article
Do capacitors reduce voltage?
The capacitance of a capacitor is increased by the dielectric by reducing the electric field between its plates, hence reducing... View Article
How do moving electric charges create magnetic fields?
Whenever an electric charge is in motion, a magnetic field is created. The spinning and orbiting of the nucleus of... View Article
Which amplifier gives maximum distortion?
Class C amplifiers give maximum distortion. Class C amplifiers are amplifiers in which the collector current flows for less than... View Article
What is zero error on a micrometer?
When the fixed stud A and a movable stud B are brought in contact without applying any under pressure, and... View Article
What is the emissivity of a black body?
Emissivity is defined as the ratio of the energy radiated from the surface of a material to that radiated from... View Article
