basic electrical introduction

basic electrical introduction

University

20 Qs

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basic electrical introduction

basic electrical introduction

Assessment

Quiz

Physics

University

Practice Problem

Hard

Created by

SURESH THANAKODI

Used 20+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

one coulomb of charge is equal to the charge on

625×1016 electrons625\times10^{16}\ electrons

6.25×1016 electrons6.25\times10^{16}\ electrons

62.5×1016 electrons62.5\times10^{16}\ electrons

0.625×1016 electrons0.625\times10^{16}\ electrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The specific resistance of a wire depends upon

its length

its cross-sectional area

its dimensions

its material

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following is the best conductor of electricity ?

silver

gold

copper

zinc

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A length of wire has a resistance of 6 ohms. The resistance of a wire of the same material three times as long and twice the cross-sectional area will be

36 ohms

9 ohms

1 ohm

12 ohms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The unit of resistivity is

Ω.

Ω - metre.

Ω / metre.

Ω / m².

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the followings is/are active element?

Voltage source

Current source

Both

None of these.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are the passive elements?

Resistor

Bulb

Both

None of these.

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