Explanation

In oscillatory motion, such as that of an oscillating charge, velocity varies continuously.

It is zero at extreme positions and maximum at the mean position, so it is changing.

Explanation

A semiconductor diode has 2 terminals: anode (positive) and cathode (negative).

It allows current to flow in one direction only, functioning as a rectifier.

Explanation

A longitude is an imaginary line that runs vertically from the North Pole to the South Pole.

These lines, also called meridians, measure the distance east or west of the Prime Meridian.

Explanation

In this context, λ refers to Planck's constant, which is a fundamental constant in quantum mechanics denoted by h.

It relates the energy of a photon to the frequency of its electromagnetic wave.

Explanation

The Reluctance Motor has an unsymmetrical rotor.

Its rotor has varying magnetic reluctance, which influences its operation and performance.

Explanation

The induced electromotive force (emf) ($varepsilon$) in a moving conductor in a magnetic field can be calculated using the formula:

$$\epsilon =B\cdot L\cdot v$$

Where:

• $B$ is the magnetic field strength (in teslas),
• $L$ is the length of the conductor (in meters),
• $v$ is the velocity of the conductor (in meters per second).

Given:

• $B = 0.6 , text{T}$
• $L = 1 , text{m}$
• $v = 20 , text{m/s}$

Substituting the values into the formula:

$$\epsilon =0.6\text{T}\cdot 1\text{m}\cdot 20\text{m/s}=12\text{V}$$

Thus, the value of the induced emf is 12 V.

Explanation

In a parallel circuit, the charge which passes through one resistor will always pass through the other resistors.

Each resistor provides a separate path for the current, so the current divides among them according to their resistances.

Explanation

• Silicon is an example of a Semiconductor.
• Semiconductors like silicon have electrical conductivity between conductors and insulators.
• It enabling them to control electrical current flow in devices and integrated circuits.

Explanation

• The pressure exerted by a gas is a result of the countless collisions of gas molecules with the container walls, which transfer momentum.
• It force to the walls, causing pressure.
• This is a fundamental principle in kinetic molecular theory.

Explanation

In most businesses and homes, electrical circuits are connected in parallel to ensure that:

• Each device receives the same voltage
• If one device fails or is turned off, others remain operational
• The entire circuit doesn't fail if one device is disconnected