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Draw the symbol of galvanometer?

Important Questions on Electricity

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Write the conventional symbol of the following component used in electric circuit diagram-

Voltmeter

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Write the conventional symbol of the following component used in electric circuit diagram-

A wire joint

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Symbols of some components are given below. Using all of them only once draw an appropriate circuit diagram. Assume you are already having the wires for connection. Also name each component used.

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Draw the following electric symbol:
Plug Key (closed
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Draw the electric symbol of variable resistance.
MEDIUM
Four identical cells of emf 1.5 V each were connected in four different ways as shown below : Question Image
The potential difference between the two points X and Y would be equal to 6.0 V in case/cases :
MEDIUM
An electric bulb of resistance 20 Ω and a resistance wire of 4 Ω are connected in series with a 6 V battery.
Draw the circuit diagram and calculate:
(a) the total resistance of the circuit.
(b) current through the circuit.
(c) the potential difference across the electric bulb.
(d) the potential difference across the resistance wire.
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What is the function of the component shown above?
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The given circuit diagram shows the experimental arrangement of different circuit components for determination of equivalent resistance of two resistors connected in series. The components X, Y and Z are shown in the circuit, respectively represent:

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A student has to connect 4 cells of 2 V each to form a battery of voltage 8 V. The correct way of connecting these cells is shown in figure:
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What is meant by a circuit diagram? Draw a labelled circuit diagram of an electric circuit having a battery of two cells, a closed plug key, a resistor, a bulb, a voltmeter and an ammeter.
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Draw a schematic diagram of a circuit consisting of a 24 V battery, a 10 ohm resistor, a 5 ohm resistor and a 1 ohm resistor, an ammeter and a plug key, all connected in series. Calculate the ammeter reading in this circuit. 
 
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Draw the following electric symbol:
Battery
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Draw the following electric symbol:
Electric bulb
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What is an electric circuit?
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Given below is the circuit diagram of an electric circuit.

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Here A and B represent:

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Match the symbols in column I to the components in column II

Column I Column II
(a) Question Image  (p) closed switch
(b) Question Image  (q) variable resistance
(c) Question Image  (r) electric bulb
(d) Question Image  (s) open switch

 

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What do you mean by a resistor?
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In the circuits A, B, C and D, with switch S open, the lamps Q and R would light up but not lamp P in: Question Image
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Cotyledons are also called-