How Is an Ammeter Placed in a Circuit

It is measured in volts v using a voltmeter. The resistance of the ammeter is kept low because of the two reasons.

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In this diagram the current is represented by i.

. Voltage can be thought of as a force that makes electric charges move in a wire or. Thus no obstruction occurs in the circuit because of the voltmeter and. The voltmeter always connects in parallel with the circuit so that the same voltage drop occurs across it.

And the overall impedance of the system is equal to the impedance that the element had. The low voltage drop occurs across the ammeter. Before we study the internal construction of electrodynamometer type wattmeter it is essential to know the working principle of electrodynamometer type wattmeterDynamometer type wattmeter works on very simple principle and this principle can be stated as when any current carrying conductor is placed inside a magnetic field it experiences a mechanical force.

The classification of the ammeter depends on their design and. The battery ammeter voltmeter and rheostat are connected in a circuit as shown in Figure. Voltage Voltage can be thought of as a force that makes electric charges move in a wire or other kind of conductor.

The circuit is switched on and the rheostat is adjusted until the ammeter gives a reading I 02 A. The potential difference V across XY is recorded from the voltmeter. The 50 cm constantan wire is connected across terminals X and Y.

The whole measurand current passes through the ammeter. The high resistance of the voltmeter combines with the impedance of the element across which it is connected. The amount of electricity flowing through a circuit measured in amps using an ammeter.

The ammeter circuit has low resistance so that the small voltage drop occurs in the circuit.

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