Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged ohms law
+3
votes
1
answer
In the circuit shown in figure, calculate the following : (i) Potential difference between points‘a’ and ‘b’ when switch ‘*’is open.
asked
Apr 7, 2019
in
JEE
by
kratos
irodov
electrodynamics
electric current
jee
jee mains
ohms law
+3
votes
1
answer
The filament of a 240V metal-filament lamp is to be constructed from a wire having a diameter of 0.02mm
asked
Apr 3, 2019
in
Mathematics
by
kratos
electric current
ohms law
+1
vote
1
answer
Two resistors when connected in parallel have an equivalent of 2Ω and when in series of 9Ω The values of the two resistors are.
asked
Apr 3, 2019
in
JEE
by
kratos
jee
resistance
class-10
icse
jee mains
electric circuits
ohms law
+3
votes
1
answer
What will be the value of charge when an electric current flows through a conductor?
asked
Apr 2, 2019
in
Class 12
by
kratos
class-12
electric current
ohms law
+2
votes
1
answer
If power dissipated in 5Ω resistor in 20W, then power dissipated across 4Ω resistor will be.
asked
Mar 31, 2019
in
Class 12
by
kratos
neet
aiims
resistance
jee
class-10
icse
jee mains
electric circuits
ohms law
+1
vote
1
answer
Study ttitel circuit diagram in Fig. 8.44, and hence, calculate the internal resistance of cel.
asked
Mar 29, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+3
votes
1
answer
Nine resistors each of resistance R are connected as shown in fig. The effective resistance between A and B is.
asked
Mar 28, 2019
in
JEE
by
kratos
jee
resistance
class-10
icse
jee mains
electric circuits
ohms law
+1
vote
1
answer
Calculate the resistance of 1 km long cable composed of 19 stands of similar copper conductors.
asked
Mar 26, 2019
in
Mathematics
by
kratos
electric current
ohms law
+3
votes
1
answer
Assertion: In the part of the circuit shown in fig maximum power is produced across R.
asked
Mar 25, 2019
in
JEE
by
kratos
jee mains
class-10
ohms law
jee
icse
resistance
electric circuits
+1
vote
1
answer
n identical cells each of e.m.f E and internal resistance r are connected in series
asked
Mar 24, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+3
votes
0
answers
Calculate the equivalent resistance between A and B from the following combination of resistors.
asked
Mar 21, 2019
in
Class 10
by
kratos
electricity
resistance
class-10
icse
electric circuits
ohms law
+3
votes
1
answer
Which of the following is non-ohmic resistance? (a) Copper wire (b) Brass wire
asked
Mar 21, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+3
votes
1
answer
A conductor at 4.2K is found to offer no resistance. Such a conductor is called (a) zero conductor
asked
Mar 19, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+1
vote
1
answer
Define quantity of charge. States its practical unit and define it
asked
Mar 19, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+1
vote
1
answer
The potential difference between the terminals of a battery is 10V and internal resistance 1Ω drops to 8V
asked
Mar 17, 2019
in
JEE
by
kratos
jee
resistance
class-10
icse
jee mains
electric circuits
class-12
electric current in conductors
ohms law
+3
votes
1
answer
A coil has resistance of 18Ω when its mean temperature is 200°C and of 20Ω when its mean temperature is 500°C.
asked
Mar 16, 2019
in
JEE
by
kratos
polytropic process
current laws
electric current
jee
thermodynamics
jee mains
current electricity
ohms law
+2
votes
1
answer
With the help of a suitable circuit diagram prove that the reciprocal of the equivalent resistance.
asked
Mar 16, 2019
in
Class 10
by
kratos
cbse
electricity current
electricity
resistance
class-10
icse
electric circuits
current electricity
ohms law
+1
vote
1
answer
Carefully study the circuit diagram in figure and calculate the value of resistor x.
asked
Mar 16, 2019
in
Class 10
by
kratos
resistance
class-10
icse
electric circuits
ohms law
+2
votes
1
answer
Form the graph between current I and voltage V shown below, identity the portion corresponding to negative resistance.
asked
Mar 15, 2019
in
JEE
by
kratos
jee
resistance
correct option explanation:
class-10
icse
jee mains
electric circuits
ohms law
+1
vote
1
answer
The resistance of the series combination of two resistances is *, when they are joined in parallel the total resistance is P If * = n P,
asked
Mar 13, 2019
in
JEE
by
kratos
jee
resistance
class-10
icse
jee mains
electric circuits
current electricity
ohms law
To see more, click for the
full list of questions
or
popular tags
.