BY- UTTAM SINGH PAL
UNIT-1
1-
What is principle
of working of meter- Bridge? 1
2-
When is a Wheatstone
bridge said to be balanced? 1
3-
State and explain
Kirchhoff’s rules? 3
4-
A wire is
carrying a current. Is charged? 1
5-
What is non-ohmic
device? Give example? 2
6-
A 4Ω non
insulated resistance wire is bent in the middle by 1800 and both the
halves are twisted with each other.
What will be its new resistance?
2
7-
How is the
current conducted in metals?
Explain. 2
8-
Define resistance
of a conductor, what is its cause? Explain the factors on which the resistance
of a conductor depends. 3
9- IF A BODY GIVES OUT 109
ELECTRONS EVERY SECOND HOW JKKNUCH TIME IS REQUIRED TO GET
A TOTAL CHARGE OF 1C
FROM IT? 2
10- CAN TWO SIMILARLY CHARGED BALLS
ATTRACT EACH
OTHER? 1
11- NAME ANY TWO BASIC PROPERTIES OF
ELECTRIC CHARGE. 1
12- WHAT IS THE CAUSE OF
CHARGING? 1
13- DOES COULOMB’S LAW OF ELECTRIC
FORCE OBEY NEWTONS THIRD LAW OF MOTION.
1
14- EXPLAIN THE PHENOMENON OF CHARGING
BY INDUCTION. 3
15- AN ELECTRIC DIPOLE CONSIST OF TWO
CHARGES OF +- 0.1µC SEPARATED BY A DISTANCE OF 2.0
CM. THE DIPOLE IS PLACED IN AN EXTERNAL
FIELD OF 105N/C. WHAT MAXIMUM
TORQUE DOES THE FIELD EXERT ON THE DIPOLE. 3
16- WHAT IS A CAPACITOR? DEFINE
CAPACITANCE. DISCUSS ITS UNITS.
3
17- THE CAPACITOR C1 C2 AND C3. FIND
EQUIVALENT CAPACITANCE IN SERIES AND PARALLEL. 5
18- DEDUCE COULOMB’S LAW FROM GAUSS’S
THEOREM. 2
19- STATE GAUSS’S LAW IN
ELECTOSTATICS 1
20-
FIND
ELECTRIC FIELD INTENSITY DUE TO AN INFINITELY LONG STRAIGHT UNIFORMLY CHARGED
WIRE. 2
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