_______ is used to measure electric current.

Fill in the Blanks

Ammeter is used to measure electric current.

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Base Quantities and Units

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Chapter 1: Measurement - Exercises [Page 9]

Chapter 1 Measurement
Exercises | Q II. 3. | Page 9

The solid angle is measured in _______.

One mole of a substance contains _______ atoms or molecules.

Consider the statement given below and choose the correct option.

Assertion: Radian is the unit of solid angle.

Reason: One radian is the angle subtended at the center of a circle by an arc of length equal to its radius.

Give the name of the instrument used for the measurement of temperature.

Name the three scales of temperature.

What do you mean by luminous intensity?

What are the differences between plane angle and solid angle?

What is electric current?

Temperature is a measure of total ______ of the particles in a system.

Assertion: Radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.

Reason: 1 radian = `180/π`