Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs Part 37
Contents
- 1 The resistance of a conductor varies inversely with
- 2 Two bulbs of 500 W and 200 W rated at 250 V will have a resistance ratio as
- 3 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
- 4 An electric filament bulb can be worked from
- 5 The substances that have a large number of free electrons and offer a low resistance are known as
The resistance of a conductor varies inversely with
The resistance of a conductor varies inversely with
- Area of cross-section
- Length
- Resistivity
- 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
- 2:5
- 25:4
- 4:25
- 5:2
Correct answer: 1. 2:5
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
- 4.6 A, 6.9 A
- 4.6 A, 9.6 A
- 6.4 A, 6.9 A
- 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
- AC supply only
- Battery supply only
- DC supply only
- 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
- Conductors
- Inductors
- Insulators
- Semiconductors
Correct answer: 1. Conductors