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(a) Complete the circuit given in figure by inserting between the terminals A and C, an ammeter. (b) In the diagram mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit, when the circuit is complete. (c) Name and state the purpose of Rh in the circuit.

Complete the circuit given in figure by inserting between the terminals A and C, an ammeter. In the diagram mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit, when the circuit is complete. Name and state the purpose of Rh in the circuit. Current Electricity, Concise Physics Solutions ICSE Class 9.

Current Electricity

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Answer

(a) The circuit with ammeter between the terminals A and C with polarity marked is shown below:

Complete the circuit given in figure by inserting between the terminals A and C, an ammeter. In the diagram mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit, when the circuit is complete. Name and state the purpose of Rh in the circuit. Current Electricity, Concise Physics Solutions ICSE Class 9.

(b) The direction of flow of current in the completed circuit with ammeter (polarity marked) is shown below:

Complete the circuit given in figure by inserting between the terminals A and C, an ammeter. In the diagram mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit, when the circuit is complete. Name and state the purpose of Rh in the circuit. Current Electricity, Concise Physics Solutions ICSE Class 9.

(c) Rh is the rheostat. It controls the flow of current in a circuit.

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