(C) Voltaic cell (also known as a Galvanic cell) is an electrochemical device that generates electrical energy from spontaneous chemical reactions occ

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Conversion of chemical energy into electrical energy.

(C) Voltaic cell (also known as a Galvanic cell) is an electrochemical device that generates electrical energy from spontaneous chemical reactions occurring within it.In this cell,redox reactions (oxidation and reduction) take place at the electrodes.The chemical potential energy stored in the reactants is converted into electrical energy,which can then be used to power an external circuit.

Class 10 Science Electricity Mix Examples - Electricity

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What is the main principle involved in a Voltaic cell?

A
Conversion of chemical energy into heat energy.
B
Conversion of heat energy into electrical energy.
C
Conversion of chemical energy into electrical energy.
D
Conversion of electrical energy into chemical energy.

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Five bulbs are connected in a parallel circuit. If the second bulb blows out,what happens?

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In the circuit shown below, calculate:
$(a)$ total resistance in arm $CE$,
$(b)$ total current drawn from the battery, and
$(c)$ current in each arm, i.e., $AB$ and $CE$ of the circuit.

Medium

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In the circuit diagram shown,the two resistance wires $A$ and $B$ are of the same area of cross-section and same material,but $A$ is longer than $B$. Which ammeter,$A_{1}$ or $A_{2}$,will indicate a higher reading for current? Give a reason.

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An electric iron consumes energy at a rate of $840\, W$ when heating is at the maximum rate and $360\, W$ when the heating is at the minimum. The voltage is $220\, V$. What are the current and the resistance in each case?

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An electric iron draws a current of $0.5\, A$ when the voltage is $200\, V$. Calculate the amount of electric charge flowing through it in one hour. (in $C$)

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What is the main principle involved in a Voltaic cell?

Similar Questions

Five bulbs are connected in a parallel circuit. If the second bulb blows out,what happens?

In the circuit shown below, calculate:$(a)$ total resistance in arm $CE$,$(b)$ total current drawn from the battery, and$(c)$ current in each arm, i.e., $AB$ and $CE$ of the circuit.

In the circuit diagram shown,the two resistance wires $A$ and $B$ are of the same area of cross-section and same material,but $A$ is longer than $B$. Which ammeter,$A_{1}$ or $A_{2}$,will indicate a higher reading for current? Give a reason.

An electric iron consumes energy at a rate of $840\, W$ when heating is at the maximum rate and $360\, W$ when the heating is at the minimum. The voltage is $220\, V$. What are the current and the resistance in each case?

An electric iron draws a current of $0.5\, A$ when the voltage is $200\, V$. Calculate the amount of electric charge flowing through it in one hour. (in $C$)

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In the circuit shown below, calculate:
$(a)$ total resistance in arm $CE$,
$(b)$ total current drawn from the battery, and
$(c)$ current in each arm, i.e., $AB$ and $CE$ of the circuit.