Question

Which amplifier is used in an electronic multi mete?

Answer 1

Answer:

The basic circuit of a multimeter is made up of d.c. amplifier circuit in the form of a balanced bridge. Explanation: A range switch is provided in an electronic multimeter in order to limit the input signal in terms of magnitude. We can adjust the input attenuator and limit the input signal in terms of magnitude.

Answer 2

In an electronic multimeter, a bridge DC amplifier is used.

• A tool for measuring different electrical and electronic quantities, such as current, voltage, resistance, etc., is an electronic multimeter.
• Its ability to measure a variety of quantities is shown by the name "multimeter" given to it.
• It has an internal power supply that is given and required for the gadget to operate.
• To its exterior probes, any component, including a resistor or battery, can be connected to measure an electronic amount.
• A bridge DC amplifier, rectifier, PMMC meter, function switch, internal battery, and an attenuator are the main components of the multimeter.
• The attenuator's job is to assist in choosing a specific range of voltage levels.
• A multimeter's rectifier is crucial for converting AC voltage to DC voltage.
• The multimeter's operating system depends on the internal battery.
• A bridge-like structure is created by two Field Effect Transistors placed across from one another and linked with three resistors to create the Bridge DC amplifier.
• The third resistor serves as a zero adjust control resistor, while the first two resistors are used to balance the bridge.

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