AFMC SERIES Physics
Current Electricity
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2011 1
2010 1
2009 1
2008 1
2004 Chapter Questions 5 MCQs
01
PYQ 2004
medium
physics ID: afmc-200
Current provided by a battery is maximum when:
1
internal resistance is equal to external resistance
2
internal resistance is greater than external resistance
3
internal resistance is less than external resistance
4
none of the above
02
PYQ 2008
medium
physics ID: afmc-200
A galvanometer coil has a resistance of and gives full scale deflection for a current of . To convert it to an ammeter of range to
1
resistance is to be connected in parallel to the galvanometer
2
resistance is to be connected in series with the galvanometer
3
resistance is to be connected in parallel to the galvanometer
4
resistance is to be connected in series with the galvanometer
03
PYQ 2009
easy
physics ID: afmc-200
See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?
1
2
3
4
04
PYQ 2010
medium
physics ID: afmc-201
Two cells of emf and are connected as shown in figure. When a potentiometer is connected between A and B, the balancing length of the potentiometer wire is 300cm . On connecting the same potentiometer between A and C, the balancing length is 100 cm. The ratio is
1
3:01
2
1:03
3
2:03
4
3:02
05
PYQ 2011
medium
physics ID: afmc-201
A resistor of with tolerance and another resistance of with tolerance are connected in series. The tolerance of the combination is about
1
5%
2
10%
3
12%
4
15%