English, asked by kavya1160, 10 months ago

(a)= what are the advantages of connecting electrical devices in parallel with the battery instead of connection them in series ?

(b) why does the cord of an electric heater not glow while the heating element does?​

Answers

Answered by Yashraocsk
8

Answer:

a) the advantages are

Explanation:

When the devices are connected in parallel with the battery then each device gets same potential difference and also the total effective resistance is also reduced

b)It has high resistivity so it doesn't melt.

the cord of the electric heater is a good conductor of electricity so it doesn't get heated up and also not glow.The heating element ofan electric heater is a resistor. the amount of heat produced by it is proportional to its resistance.It doesn't allow the electricity to pass through and gets heated and glows due to heat.

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Answered by ranjit4024
2

Explanation:

This is not so with the devices connected in series because when one device connected in series because when one device falls, the circuit breaks and all devices stop working. (b) Since potential difference across all devices is same in parallel circuit, they will draw required current according to their resistances.

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