Question

Define the SI units of (i) current (ii) resistance.

Answer 1

SI unit of current is ampere.

SI unit of resistance is Ohm.

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Answer 2

Answer:

(i) The “SI unit of current” is ampere.

(ii) The “SI unit of resistance” is ohm.

• Current is measured by ammeter.
• It is a tool used in ampere units to measure electrical current.
• The trajectory of the current being measured must be linked to an ammeter in sequence.
• The parallel setting of the ammeter will generate a short circuit and will not properly evaluate the current.

• The resistance is the opposition for the “flow of electrical current” that is offered by the substance.