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WorksheetsGeneral Physics 2 reviewer_S.Y. 2022-23
Total questions: 35
Worksheet time: 18mins
Three resistances of 4Ω, 3Ω, and 6Ω are connected to an 18V battery as shown in the circuit above. The power dissipated by the 3Ω resistor is:
12W
3W
8W
6W
What is the potential difference across 2.0 Ω resistor?
5.88 V
6.88 V
3.88 V
4.88 V
What color is a 340 KΩ resistor with 5% tolerance?
Orange, Green and Yellow with Gold
Orange, Yellow and Yellow with Gold
Orange, Blue and Orange with Gold
Orange, Yellow and Green with Gold
What is the total current produced by 8.0 V source?
4.94 A
3.94 A
2.94 A
1.94 A
What is the resistor value?
10k ohm
4.7k ohm
1k ohm
100 ohm
Which of the following actions will lead to verify the current in a resistor?
The voltmeter is connected in parallel to the resistor
The ammeter is connected in parallel to the resistor
The voltmeter is connected in series with the resistor
The ammeter is connected in series with the resistor
A straight wire carries a current into the page. What is the direction of the magnetic force if the magnetic field point east of the wire?
North
South
West
East
How much current is flowing in a wire 4.80 m long if the maximum force on its 0.625 N was placed in a uniform 0.0800 T?
1.63 A
0.24 A
4.10 A
5.51 A
Which of the following magnetic fields is correct for a single bar magnet?
An electric current flow into the page. What is the direction of the magnetic field?
To the bottom of the page.
To the top of the page.
Clockwise.
Counter-Clockwise.
A current-carrying wire is placed perpendicular to the page. Determine the direction of the electric current from the direction of the magnetic field.
Into the page.
Out of the page.
Clockwise.
Counter-clockwise.
A negative particle and a positive particle are moving with certain velocities in a constant, uniform magnetic field, as shown. The direction of the B-field is to the right. The (+) particle is moving directly left; the (–) particle is moving directly up. The force on the positive particle due to the B-field is (in = into page, out = out of page).
In
Right
Left
Out
The magnetic field B = 0.5 T is acting on proton moving in xy plane with velocity v =210 m/s. Find the force acting on the proton.
8.0×10−15N
8.0×10−16N
1.2×10−17N
1.2×10−18N
Who among the following scientist discover the relationship of the current in a conductor that is equal to the voltage applied to it divided by its resistance?
Michael Faraday
Georg Simon Ohm
Hendrik Lorentz
Alessandro Volta
What happens to the angle of refraction if the light ray passes through a medium with lower index of refraction?
constant
decreases
increases
zero
Why do loops of wire in a motor rotate?
Because the battery effectively pushes a loop around in the field
Because current exerts a force on the loop, causing it to rotate
Magnetic field exerts forces on moving electrons in the loop
Magnet attracts stationary electrons in the wire
Which electromagnetic waves are involved in the following tasks: turning on the TV using remote control, taking photos of internal body parts and sterilizing medical equipment?
Infrared, x-ray, gamma ray
Radio wave, x-ray, ultraviolet
Infrared, visible light, gamma ray
Radio wave, visible light, ultraviolet
What are the optical instruments used in a microscope?
Two Convex lens
Two Concave lens
A concave and a Convex Lens
None of the above
What wave property can best explain the apparent bending of a pencil when dipped into a glass of water?
Interference
Reflection
Diffraction
Refraction
What is the frequency of a gamma ray that is travelling in vacuum if its wavelength is 7x10^12 meter?
2.33×10−20Hz
2.10×10−3Hz
4.29×10−5Hz
2.10×1021Hz
Which wave can propagate even in vacuum?
Transverse
Electromagnetic
Mechanical
Longitudinal
Who is the Scientist that propose and proved that an EMF will be induced in a loop if the flux changes?
Felix Savart
Jean-Babtiste Biot
Michael Faraday
Heinrich Lenz
What will happen to the images position, type, orientation and size if the object is placed between F’ and O of the convex lens?
No image formed.
At F, Real, Inverted, Smaller than the object
In front of the lens, Virtual, Erect, Larger than the object.
Beyond C, Real, Inverted, Larger than the object.
What is the SI unit of magnetic field?
Gauss
Henry
Newton
Tesla
Which of the following mechanism will produce the energy for lighting the bulb?
Mass spectrometer
Galvanometer
Generator
Motor
What among the sentence below is included to the observation of faraday during his experiment with magnets?
When he trust a magnet into a coil of wire, current was induced in the coil while the magnet was moving relative to the coil.
When pulling a magnet out a coil of wire, Induced current is produced in the coil while the magnet was moving out to the coil.
When pulling a magnet out a coil of wire, there is no current in the coil while the magnet was moving out to the coil.
When he trust a magnet into a coil of wire, there is no induced current in the coil while the magnet was moving relative to the coil.
Which statement differentiates electric poles from magnetic poles?
Magnetic poles do not produce magnetic fields.
One magnetic pole cannot create magnetic poles in other materials.
A magnetic pole cannot be isolated.
Opposite magnetic poles, repel.
Which of the following illustrations below show the schematic representation of a Battery cell in actual circuits?
Which among the waves below have the highest frequency and shorter wavelength?
Infrared
Visible light
X-ray
Ultraviolet
What happens to the angle of reflection if the angle of incidence is decreased?
Decreases
Increases
Constant
Zero
A 60-W light bulb is in a socket with 120 V. What is the current in the bulb?
0.50 A
2.00 A
60.00 A
72000.00 A
What device stores electric charge?
Motor
Capacitor
Resistor
IC's
Joshua, who is 6.0 ft. tall, stands in front of a plane mirror. What is the shortest plane mirror to be used by Joshua to see his full-sized image?
2.0 ft.
3.0 ft.
2.5 ft.
6.0 ft.
Which of the following concepts was awarded to Albert Einstein in a Nobel Prize in Physics?
Special relativity
General relativity
Photoelectric effect
Photon
What time interval happens between two events measured by a moving observer who sees the events as happening in different places?
Contracted time
Dilated time
Proper time
Shortened time
