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Recent questions tagged electric circuits
+3
votes
1
answer
Two resistances R1 and R2 have effective resistance Rs when connected in sires combination and Rp
asked
Apr 5, 2019
in
JEE
by
kratos
jee
jee mains
electric circuits
+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
+1
vote
1
answer
Explain Kirchhoff'* Law, Wheatstone Bridge.
asked
Apr 2, 2019
in
JEE
by
kratos
cbse
jee
jee mains
electric circuits
class-12
current electricity
+1
vote
1
answer
In a simple meter-bridge circuit, the both gaps are bridge by coils P and Q having the smaller resistance.
asked
Apr 2, 2019
in
JEE
by
kratos
cbse
jee
jee mains
electric circuits
class-12
current electricity
+3
votes
1
answer
The potential difference between the terminals of a battery of emf 6.0 V and internal resistance 1Ω drops to 5.8 V
asked
Apr 1, 2019
in
JEE
by
kratos
jee
jee mains
electric circuits
class-12
electric current in conductors
+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
In the circuit shown, the heat produced in the 5 ohm resistor due to current flowing through it,
asked
Mar 30, 2019
in
JEE
by
kratos
cbse
jee
jee mains
electric circuits
class-12
current electricity
+1
vote
1
answer
In figure, AB is a wire of length 100 cm whose resistance is 5Ω .If galvanometer reads zero, the current flowing in the wire AB is :
asked
Mar 29, 2019
in
JEE
by
kratos
heat and temperature
magnetic effects of electric current
jee
jee mains
electric circuits
magnetism
class-12
current electricity
+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
A large number of free electrons are present in metals. Why is there no current in the absence of electric field across it ?
asked
Mar 28, 2019
in
JEE
by
kratos
class-8
electricity
jee
class-10
icse
class-7
jee mains
electric circuits
class-12
current electricity
+3
votes
1
answer
Two wires of equal diameters of resistivity’* ρ1 and ρ2 are joined in series.
asked
Mar 28, 2019
in
JEE
by
kratos
differential equations
jee
jee mains
electric circuits
current electricity
+2
votes
1
answer
State Kirchoff'* law for an electrical network. Using these laws deduce the condition for balance in a Wheatstone bridge.
asked
Mar 28, 2019
in
Class 12
by
kratos
class-12
current electricity
electric circuits
cbse
+3
votes
1
answer
In meter bridge or wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged.
asked
Mar 27, 2019
in
Class 12
by
kratos
neet
cbse
electrostatics
jee
jee mains
electric circuits
class-12
current electricity
+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
+3
votes
1
answer
A bridge network ABCD has arms AB, BC, CD and DA of resistances 1, 1, 2 and 1 ohm respectively.
asked
Mar 24, 2019
in
Class 12
by
kratos
ac bridges
class-12
dc network theorems
electric circuits
+3
votes
1
answer
Find current in 3Ω resistor in given circuit.
asked
Mar 24, 2019
in
JEE
by
kratos
jee
current electricity
jee mains
electric circuits
+3
votes
1
answer
Show how would you connect three resistors each of resistance 6Ω so that the combination has a resistance of (i) 9Ω and (ii) 4Ω.
asked
Mar 24, 2019
in
JEE
by
kratos
electricity
jee
class-10
jee mains
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
1
answer
Give two examples each of conductors and insulators of heat
asked
Mar 22, 2019
by
kratos
class-6
class-7
icse
electric circuits
heat
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