Question

Replace the galvanometer and repeat the experiment Explam the glow of the bulb with position of jockey on wire AC.​

Answer 1

In an experiment, a galvanometer is often used to measure the current flowing through a circuit.

• A galvanometer is a type of sensitive ammeter that can detect small changes in current. If the experiment requires a measurement of larger currents, a galvanometer may be replaced with a more sensitive ammeter.

• To repeat the experiment, the first step would be to remove the galvanometer from the circuit and replace it with a more sensitive ammeter. The ammeter should be connected in the same position as the galvanometer was previously connected in the circuit. The experiment can then be repeated and the ammeter will be able to accurately measure larger currents.

• The glow of the bulb in an AC circuit is dependent on the position of the jockey on the wire. The jockey is a small metal clip that is used to adjust the position of the wire in the circuit. When the jockey is in a certain position on the wire, the bulb will glow more brightly. This is because the current flowing through the circuit is at its maximum at this position. As the jockey is moved along the wire, the bulb's glow will change, becoming dimmer as the current flowing through the circuit decreases. The jockey can be adjusted to find the position on the wire where the bulb glows the brightest.

• In summary, to repeat the experiment, the galvanometer should be replaced with a more sensitive ammeter, connected in the same position. The glow of the bulb in an AC circuit is dependent on the position of the jockey on the wire, when the jockey is in a certain position on the wire, the bulb will glow more brightly, as the current flowing through the circuit is at its maximum at this position.

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