What is the SI unit of electric current?

Question

What is the SI unit of electric current?

A. Ampere

B. Volt

C. Ohm

D. Joule

Correct Answer :

A. Ampere

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A. Tesla

B. Weber

C. Henry

D. Gauss

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A. Lever

C. Pulley

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Which of the following is a measure of an object's resistance to changes in its state of motion?

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Which of the following is an example of a vector quantity?

A. Mass

B. Speed

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Which law states that the total entropy of an isolated system can never decrease over time?

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What is the SI unit of electric charge in the MKS system?

C. Ampere

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What is the SI unit of electric charge in the CGS system?

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Which law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?

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Which type of lens is thinner in the center and thicker at the edges?

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What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?

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What is the law that states the total electric charge in a closed system is constant?

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Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?

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What is the SI unit of energy in the CGS system?

A. Erg

B. Joule

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Which of the following statements about electric fields is true?

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Which of the following statements about nuclear fusion is true?

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Which of the following statements about kinetic friction is true?

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Which of the following is a non-contact force?

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Which of the following statements about waves is true?

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What is the SI unit of magnetic flux?

A. Weber

B. Tesla

C. Henry

D. Gauss

Discuss this answer

Which type of mirror can form both real and virtual images?

Discuss this answer

What is the formula for calculating electric power in a circuit?

A. P = VI

Discuss this answer

Which type of energy is associated with the motion of atoms and molecules?

Discuss this answer

Answer 1

A. Boyle's Law

Answer 2

B. Charles's Law

Answer 3

C. Gay-Lussac's Law

Answer 4

D. Avogadro's Law

Answer 5

A. Newton's First Law of Motion

Answer 6

B. Newton's Second Law of Motion

Answer 7

C. Newton's Third Law of Motion

Answer 8

D. Law of Gravitation

Answer 9

B. Inclined plane

Answer 10

D. All of the above

Answer 11

A. Reflection

Answer 12

B. Diffraction

Answer 13

C. Refraction

Answer 14

D. Interference

Answer 15

A. It is a scalar quantity.

Answer 16

B. It depends on the charge of the object and the distance from another charge.

Answer 17

C. It is always negative.

Answer 18

D. It is measured in amperes.

Answer 19

A. Conduction

Answer 20

B. Induction

Answer 21

C. Charging by friction

Answer 22

D. Polarization

Answer 23

A. Inertia

Answer 24

B. Momentum

Answer 25

C. Impulse

Answer 26

D. Damping coefficient

Answer 27

A. Inertia

Answer 28

B. Momentum

Answer 29

C. Impulse

Answer 30

D. Damping coefficient

Answer 31

C. Distance

Answer 32

D. Velocity

Answer 33

A. First Law of Thermodynamics

Answer 34

B. Second Law of Thermodynamics

Answer 35

C. Third Law of Thermodynamics

Answer 36

D. Law of Conservation of Mass

Answer 37

A. Coulomb

Answer 38

B. Statcoulomb

Answer 39

D. Franklin

Answer 40

A. Statcoulomb

Answer 41

B. Coulomb

Answer 42

C. Ampere-hour

Answer 43

D. Franklin

Answer 44

A. 9.8 m/s²

Answer 45

B. 6.67 × 10^-11 Nm²/kg²

Answer 46

C. 3.00 × 10^8 m/s

Answer 47

D. 1.6 m/s²

Answer 48

A. Coulomb's Law

Answer 49

B. Ohm's Law

Answer 50

C. Ampere's Law

Answer 51

D. Faraday's Law

Answer 52

A. Convex lens

Answer 53

B. Concave lens

Answer 54

C. Plano-convex lens

Answer 55

D. Plano-concave lens

Answer 56

A. Newton's First Law of Motion

Answer 57

B. Newton's Second Law of Motion

Answer 58

C. Newton's Third Law of Motion

Answer 59

D. Law of Universal Gravitation

Answer 60

A. Reflection

Answer 61

B. Diffraction

Answer 62

C. Refraction

Answer 63

D. Constructive interference

Answer 64

A. Coulomb's Law

Answer 65

B. Ohm's Law

Answer 66

C. Conservation of Charge

Answer 67

D. Ampere's Law

Answer 68

A. Faraday's Law of Electromagnetic Induction

Answer 69

B. Lenz's Law

Answer 70

C. Ohm's Law

Answer 71

D. Ampere's Law

Answer 72

C. Newton-meter

Answer 73

D. Watt-hour

Answer 74

A. Electric fields always point towards positive charges.

Answer 75

B. Electric fields are vectors and have both magnitude and direction.

Answer 76

C. Electric fields only exist inside conductors.

Answer 77

D. Electric fields do not interact with magnetic fields.

Answer 78

A. It releases energy when light nuclei combine to form heavier nuclei.

Answer 79

B. It is the process that powers stars.

Answer 80

C. It is a type of radioactive decay.

Answer 81

D. It involves the emission of beta particles.

Answer 82

A. It always opposes motion.

Answer 83

B. It is independent of the normal force.

Answer 84

C. It is greater than static friction.

Answer 85

D. It depends on the velocity of the object.

Answer 86

A. Friction

Answer 87

B. Tension

Answer 88

C. Gravity

Answer 89

D. Magnetic force

Answer 90

A. Longitudinal waves require a medium for propagation.

Answer 91

B. Transverse waves have oscillations perpendicular to the direction of wave motion.

Answer 92

C. Electromagnetic waves are an example of mechanical waves.

Answer 93

D. Sound waves are an example of electromagnetic waves.

Answer 94

A. Concave mirror

Answer 95

B. Convex mirror

Answer 96

C. Plane mirror

Answer 97

D. Spherical mirror

Answer 98

B. P = V²/R

Answer 99

C. P = I²R

Answer 100

D. P = V/R

Answer 101

A. Kinetic energy

Answer 102

B. Potential energy

Answer 103

C. Thermal energy

Answer 104

D. Mechanical energy

What is the SI unit of electric current?

Correct Answer :

Show all AP Physics MCQ

Related Questions

Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?

What is the law that states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration?

What is the SI unit of magnetic flux density?

Which of the following is an example of a simple machine?

What is the phenomenon where a wave changes direction as it passes through a medium with a different density?

Which of the following statements about electric potential energy is true?

What is the process by which a material acquires a positive or negative charge by gaining or losing electrons?

Which of the following is a measure of an object's resistance to changes in its linear motion?

Which of the following is a measure of an object's resistance to changes in its state of motion?

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Which law states that the total entropy of an isolated system can never decrease over time?

What is the SI unit of electric charge in the MKS system?

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Which law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?

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Which law states that for every action, there is an equal and opposite reaction?

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