Current Electricity Physics Test 03

Total Questions: 26

1 - The galvanometer has been named after the scientist:

A ) Lewis
B ) Lowry Bronsted
C ) Luigi Galvano ✅
D ) Galvano Enstien

2 - Human skin, in dry comdination, has a resitence of:

A ) 20,000 ohm
B ) 100,000 ohm ✅
C ) 30,000 ohm
D ) 2000 ohm

5 - V² / R =

A ) Power ✅
B ) Energy
C ) Voltage
D ) Resistance

8 - The residence of voltmeters is:

A ) Zero
B ) Low
C ) Very high ✅
D ) None of these

9 - Total energy supplied in driving one of charge around a complete circuit is called:

A ) Potential
B ) Potential difference
C ) Electromotive force ✅
D ) Potential energy

10 - The value of current I passing through a conductor in inversely proportional to:

A ) Temperature
B ) Potential difference
C ) e.m.f.
D ) Resistance ✅

11 - The range of galvanometer to measure current is:

A ) Few amperes
B ) Few micro amperes
C ) Few milli amperes ✅
D ) Mega amperes

13 - In a dry cell, chemical energy changes into:

A ) Mechanical energy
B ) Electrical energy ✅
C ) Potential energy
D ) Kinetic energy

14 - Battery is one of the source of:

A ) Heat
B ) Light
C ) Current ✅
D ) Sound

15 - The colour of neutral wire is;

A ) Black or Blue ✅
B ) Green or red
C ) Green or Blue
D ) Red or white

16 - The resistance of an ammeter should be:

A ) High
B ) Very high
C ) Low ✅
D ) Constant

17 - An ideal voltmeter is that which draws:

A ) Small current
B ) No current ✅
C ) High current
D ) None of these

18 - An additional wire used along with live and neutral wire is:

A ) Cable wire
B ) Earth wire ✅
C ) Grip wire
D ) Hot wire

19 - A fuse is connected in series with:

A ) Neutral wire
B ) Live wire ✅
C ) Earth wire
D ) Cable wire

21 - The resistance of conductor is inversely to:

A ) Temperature
B ) Length
C ) Area of cross section ✅
D ) Pressure

22 - With the increase in temperature the resistance of pure metals:

A ) increases ✅
B ) decreases
C ) remain same
D ) none of these

23 - For which of following ampere second could be the unit?

A ) energy
B ) current
C ) charge ✅
D ) power

24 - The rating of a fuse wire is always expressed in:

A ) ampere-hours
B ) KWh
C ) Volts
D ) amperes ✅

25 - The filament of an electric bulb is made of:

A ) nickel ✅
B ) aluminium
C ) tungsten
D ) carbon

26 - 100× 10-³ A=

A ) 10-³ A
B ) 10-² A
C ) 10 A
D ) 10-¹ A ✅