Elect | MCQs

Explanation

The component of an electric circuit that opposes the flow of charges in the circuit is called a resistor.

Explanation

The invention and advancement of the vacuum or electron tube marked the beginning of the Electronic Era in the early 20th century.

These tubes were used in early radios, televisions, and computers.

Explanation

Light varies continuously in intensity and wavelength, making it an analog signal.

Analog signals have values that change smoothly over time — just like natural light.

Explanation

The ePay app is used for paying utility bills and taxes.

It is a digital payment platform that allows users to make payments for services like electricity, gas, water, and other government taxes.

Explanation

A switch is used to control the On/Off state of an electrical circuit.

It allowing current to flow or stopping it when needed.

Explanation

Psephology is the study of elections and voting.

Psephology attempts to both forecast and explain election results.

Explanation

Abraham Lincoln became the United States 16th President States from 1860 until his assassination in 1865.

Abraham Lincoln's Born: February 12, 1809, Hodgenville, Kentucky, U.S.

Abraham Lincoln Died: on April 15, 1865 (aged 56) in Washington,

Abraham Lincoln's  Manner of death: Assassination (gunshot wound to the head)

Abraham Lincoln's  Resting Place:  Lincoln Tomb

Explanation

Explanation

To find the current flowing through the conductor, you can use Ohm's Law, which states:

$\text{Voltage (V)}=\text{Current (I)}\times \text{Resistance (R)}$

Given that the power (P) of the conductor is $100\text{W}$, and the voltage (V) is $250\text{V}$, you can use the formula:

Explanation

The President of Pakistan appoints the Chief Election Commissioner and four members of the Election Commission of Pakistan for 5 years.

The election commission was established on 23 March 1956.