Free Printable Additional TASK G12-EASE 2

Worksheets

Additional TASK G12-EASE 2

Total questions: 25

Worksheet time: 36mins

Name

Class

Date

A point charge Q is far from all other charges. At a distance of 2 m from Q, the electric field is 20 N/C. What is the force a charge of 5 Coulombs feels?

4 N

100 N

40 N

10 N

The diagram above represents a source of potential difference connected to two large, parallel metal plates separated by a distance of 4.0 x 10^-3 meter. Which statement best describes the electric field strength between

the plates?

It is the same at points A, B, and C.

It is a maximum at point C.

It is zero at point B.

It is a maximum at point B.

In the diagram below, P is a point near a negatively charged sphere. Which direction best represents the direction of the electric field at point P?

Right

Left

Down

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

+,+

+,-

-,+

-,-

What is the magnitude of the electric field intensity at a point where a proton experiences an electrostatic force of magnitude 2.30 x 10^-25 newton?

1.44 x 10^-6 N/C

3.68 x 10⁶ N/C

1.44 x 10⁴⁴ N/C

3.68 x 10^-44 N/C

An electrostatic force of 20. newtons is exerted on a charge of 8.0 x 10^-2 coulomb at point P in an electric field. What is the magnitude of the electric field intensity at P?

1.6 N/C

20. N/C

2.5 x 10² N/C

4.0 x 10^-3 N/C

An electron placed between oppositely charged parallel plates A and B moves toward plate A, as represented in the diagram below. What is the direction of the electric field between the plates?

out of the page

toward plate B

into the page

toward plate A

To increase the capacitance of a parallel-plate capacitor, you can:

increase the area of the plates.

increase the distance between the plates.

all of these choices.

none of these choices.

Total capacitance of 300 mF capacitor and a 600 mF in series is

1000 mF

500 mF

300 mF

200 mF

10.

Each of the four capacitors shown is 500 mF. The voltmeter reads 1000V. The magnitude of the charge on each capacitor plate is:

0.2 C

0.5 C

20 C

50 C

11.

The area of magnetic force around a magnet is known as its _____________.

magnetic field

magnetic declination

magnetic fan lines

magnetic tan lines

12.

Looking at the field lines in this picture, these two magnets are ________

Attracting

Repelling

Attracting and Repelling

Doing nothing

13.

A wire carries a current, creating a magnetic field around itself as shown. The current in the wire is:

Directed to the right

Directed to the left

Equal to the magnetic field

In the same direction as the magnetic field

14.

The diagram show the direction of magnetic field,B and current, I.

By using Fleming left hand rules, determine the direction of Magnetic force, F.

no force produced

right

into the page

out from the page

15.

A 2.0 m long wire carrying 10 A of current moves through an 6.0 T magnetic field. What is the magnetic force acting on the wire?

10 N

120 N

0.5 N

2 N

16.

A 2 C charge moving at 15 m/s enters into a magnetic field of strength 5 T. What is the maximum force experienced by this charge?

150 N

150 N into the page

360 N

360 N out of the page

17.

The graph of alternating current or alternating voltage is a_________form.

square

sinusoidal

triangle

sawtooth

18.

In alternating current equation, $I=I_o\ \sin\ \omega t$ , $I_o$ is the

Instantaneous current

Lowest current

RMS current

Peak current

19.

Which of the following general equations represent AC current

$I=I_o\sin\left(2\pi ft\right)$

$I=I_o\sin\left(\frac{2\pi}{f}t\right)$

$I=I_o\cos\left(\omega t\right)$

$I=I_o\cos\left(t\right)$

20.

Which is the correct equation of

V_{rms}

$V_{rms}=V_o$

$V_{rms}=\frac{\sqrt{2}}{V_o}$

$V_{rms}=\frac{V_o}{\sqrt{2}}$

$V_{rms}=\frac{V_o}{\sqrt{2}}\sin\ 2t$

21.

What is diode?

Electronic device that allow current to flow in reverse biased

Electronic device that allow current to flow in forward biased

Electronic device that allow current to flow in one direction only

Electronic device that allow current to flow in both direction.

22.

Which is a symbol for diode?

23.

Half wave rectification is defined as

a type of rectifier that only allows one half-cycle of an AC voltage waveform to pass, blocking the other half-cycle

a type of rectifier that only allows one half-cycle of an AC voltage waveform to pass.

a type of rectifier that only allows both half-cycle of an AC voltage waveform to pass.

a type of rectifier that change AC to DC in single loop.

24.

In full- wave rectification, four diodes need to be connected in _____________ formation.

straight

side by side

Bridge

forward and reverse biased

25.

On first half-wave cycle, current will passes through diodes _________ and _________

D1 , D4

D1 , D2

D2, D4

D2, D3

Reset

Additional TASK G12-EASE 2

Total questions: 25

Worksheet time: 36mins

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