Question

draw the block diagram of DMM and explain in working​

Answer 1

Answer:

A digital multimeter is one that is capable of measuring voltage, current, of alternating current circuits as well as direct current circuits. In addition it must have a provision for measurement of resistance also. Then only it becomes the digital AVO meter.

Answer 2

Answer:

Block Diagram of Digital Multimeter :

The block diagram of digital multimeter is shown below. The 200 mV module is shown as one block. The rest of the blocks are interconnected to the 200 mV module as shown in Figure.

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Block Diagram of a Digital Multimeter