# Basic Electrical Engineering MCQs Part 37

Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs Part 37

## The resistance of a conductor varies inversely with

The resistance of a conductor varies inversely with

1. Area of cross-section
2. Length
3. Resistivity
4. Temperature

Correct answer: 1. Area of cross-section

## Two bulbs of 500 W and 200 W rated at 250 V will have a resistance ratio as

Two bulbs of 500 W and 200 W rated at 250 V will have the resistance ratio as

1. 2:5
2. 25:4
3. 4:25
4. 5:2

## A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

1. 4.6 A, 6.9 A
2. 4.6 A, 9.6 A
3. 6.4 A, 6.9 A
4. 6.4 A, 9.6 A

Correct answer: 4. 6.4 A, 9.6 A

## An electric filament bulb can be worked from

An electric filament bulb can be worked from

1. AC supply only
2. Battery supply only
3. DC supply only
4. All of above

Correct answer: 4. All of above

## The substances that have a large number of free electrons and offer a low resistance are known as

The substances that have a large number of free electrons and offer a low resistance are known as

1. Conductors
2. Inductors
3. Insulators
4. Semiconductors