True/False

Question 1

Alpha particles are deflected by a magnetic field?

Answer 1

True

Question 2

Like charges attract each other?

Answer 2

False

Question 3

All nuclei with more than 83 protons are unstable

Answer 3

True

Question 4

Gamma photons are deflected by a magnetic field

Answer 4

False

Question 5

Beta particles are deflected by a magnetic field

Answer 5

True

Question 6

Alpha decay converts an element into another

Answer 6

True

Question 7

Beta decay converts an element into another

Answer 7

True

Question 8

Strong nuclear forces are independent of the charge of the nucleus

Answer 8

True

Question 9

Strong nuclear forces are short range forces

Answer 9

True

Question 10

The energy required to break a nucleus apart is called binding energy

Answer 10

True

Question 11

Gamma rays have a smaller penetration depth than beta rays

Answer 11

False

Question 12

1 eV is the variation of the potential energy of an electron when it moves between two points at a distance of 1m from one another

Answer 12

False

Question 13

The electrostatic field is not conservative

Answer 13

False

Question 14

The electric potential is not unique and has to be calculated relative to a fixed origin

Answer 14

True

Question 15

The electric field lines are tangent to the equipotential surfaces

Answer 15

False

Question 16

The electric field is larger when measured with a larger electric charge

Answer 16

False

Question 17

Given two resistors of equal resistance R, when connected in series, the resistance of the resulting configuration is R/2

Answer 17

False

Question 18

The energy stored in a capacitor is contained in the magnetic field between its plates

Answer 18

False

Question 19

The ratio between Ohm and Coulomb has the dimension of time

Answer 19

False

Question 20

No continuous current can flow through a capacitor

Answer 20

True

Question 21

The resistance of a wire increases with its thickness

Answer 21

False

Question 22

A time varying magnetic field generates an electric force

Answer 22

True

Question 23

The density of energy is measured in N/m^3

Answer 23

False

Question 24

The energy stored in a charged capacitor is lost when the two plates are mutually connected via some resistance R

Answer 24

True

Question 25

The power dissipated by a resistor R is inversely proportional to R, if it operates under a fixed electric potential V

Answer 25

True

Question 26

The mains electricity supply voltage varies sinusoidally

Answer 26

True

Question 27

The magnetic field lines show the direction a compass would point at a given location

Answer 27

True

Question 28

Gamma rays have a shorter wavelength than visible light

Answer 28

True

Question 29

The energy stored in a conductor is proportional to the current

Answer 29

False

Question 30

The ratio between electric and magnetic field has the dimension of a velocity.

Answer 30

True

Question 31

The unit of inductance is called Henry

Answer 31

True

Question 32

The intensity of an electromagnetic wave is the amount of energy that flows across a unit length (m) per second

Answer 32

False

Question 33

A constant current flowing through a wire induces an electromotive force

Answer 33

False

Question 34

The velocity of an electromagnetic wave depends on the velocity of the emitting source

Answer 34

False

Question 35

The electric and magnetic fields of an electromagnetic wave are parallel to each other

Answer 35

False

Question 36

The lorentz force does no work

Answer 36

True