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Recent questions tagged electricity and circuits
+2
votes
1
answer
Paheli connected two bulbs to a cell as shown in Fig. 12.8.
asked
Mar 30, 2019
by
kratos
class-6
electricity and circuits
+1
vote
1
answer
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
asked
Mar 25, 2019
by
kratos
class-6
electricity and circuits
+3
votes
1
answer
A torch bulb rated as 4.5 W, 1.5 V is connected as shown in the figure. The e.m.f. of the cell needed to make the bulb glow at full intensity is
asked
Mar 12, 2019
in
Class 12
by
kratos
neet
electricity
jee
class-6
electricity and circuits
class-10
jee mains
current electricity
+2
votes
1
answer
The instantaneous voltages at three terminals marked X, Y and Z are given by,
asked
Mar 6, 2019
in
Class 12
by
kratos
neet
jee
resistance
class-6
electricity and circuits
class-10
icse
jee mains
electric circuits
alternating current
ohms law
electromagnetic induction and alternating current
+3
votes
1
answer
Can you charge an insulator by the method of conduction ?
asked
Mar 5, 2019
in
Physics
by
kratos
circuits
class-8
electricity
jee
class-6
electricity and circuits
icse
jee mains
magnetism
solid state physics
+1
vote
1
answer
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
asked
Feb 25, 2019
by
kratos
class-6
electricity and circuits
+1
vote
1
answer
Fill in the blanks: (a) A device that is used to break an electric circuit is called _______________.
asked
Feb 4, 2019
by
kratos
class-6
electricity and circuits
+2
votes
1
answer
The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them.
asked
Jan 7, 2019
by
kratos
circuits
electricity
class-6
electricity and circuits
electric circuits
+1
vote
1
answer
In which of the following circuits A, B and C given in Fig. 12.4, the cell will be used up very rapidly?
asked
Dec 29, 2018
by
kratos
class-6
electricity and circuits
+1
vote
1
answer
Why do bulbs have two terminals?
asked
Dec 6, 2018
by
kratos
class-6
electricity and circuits
+2
votes
1
answer
Think of six activities which use electric current. Also name the devices used to perform the activity
asked
Nov 28, 2018
by
kratos
class-6
electricity and circuits
+1
vote
1
answer
The instantaneous voltages at three terminals marked X, Y and Z are given by
asked
Nov 16, 2018
in
Class 12
by
kratos
neet
jee
resistance
class-6
electricity and circuits
class-10
icse
jee mains
electric circuits
alternating current
ohms law
electromagnetic induction and alternating current
+3
votes
1
answer
Using the "conduction tester" on an object it was found that the bulb begins to glow. Is that object a conductor or an insulator? Explain.
asked
Nov 10, 2018
by
kratos
class-6
electricity and circuits
electricity
circuits
+2
votes
1
answer
A fused bulb does not glow. Why?
asked
Oct 23, 2018
by
kratos
class-6
electricity and circuits
+3
votes
1
answer
In an electric bulb, light is produced due to the glowing of (a) the glass case of the bulb.
asked
Oct 16, 2018
by
kratos
class-6
electricity and circuits
+2
votes
1
answer
You are given a hammer, a battery, a bulb, wires and a switch. How could you use them to distinguish between samples of metals and non-metals?
asked
Sep 30, 2018
in
Class 10
by
kratos
metals and nonmetals
cbse
class-8
electricity
class-6
electricity and circuits
class-10
ncert class 10 science
+1
vote
1
answer
What is the purpose of using an electric switch. Name some electrical gadgets that have switches built into them.
asked
Sep 29, 2018
in
JEE
by
kratos
circuits
electricity
jee
class-6
electricity and circuits
jee mains
+3
votes
1
answer
Paheli is running short of connecting wires. To complete an electric circuit, she may use a,
asked
Sep 26, 2018
by
kratos
class-6
electricity and circuits
+1
vote
1
answer
Would the bulb glow after completing the circuit shown in Fig if instead of safety pin we use an eraser
asked
Sep 21, 2018
by
kratos
electricity
circuits
class-6
electricity and circuits
+1
vote
1
answer
Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.
asked
Sep 18, 2018
by
kratos
class-6
electricity and circuits
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