quizzes
Forums
Forums
Global
Art & Literature
Entertainment
General knowledge
High Tech
Nature
Society
Sports et Recreation
Games
Quiz of the day
The Great Test
Tops
Top Quizzes of the month
Top Quizzes
Top Quizers
Top Challengers
Top Players
Top Authors
Top Correctors
News
Latest quizzes & tests
50 last topics
Members activity
The 100 last reactions
Online members
Tests
General knowledge
Entertainment
Sport & Recreation
+
All Quizzes
Art & Literature
Entertainment
General knowledge
IT & Internet
Science & Nature
Society
Sport & Recreation
>
General knowledge
General knowledge
Geography
History
Sciences
All Quizzes
/
Quiz General knowledge
/
Quiz Sciences
Quiz Sciences
Science questions
created by
Alnunez
on 21 May 10
Sciences
Science
Hard level
(50% of success)
30 questions - 82 players
This quiz has questions about what you know in physics and beyond.
Help :
v=volts or speed
i=amps
r=ohms
p=watts
w=wavelength
f=hertz
v=ir (for voltage)
i=v/r (for current)
r=v/i (for resistance)
p=iv (for power)
i=p/v (for current)
v=p/i (for voltage)
r1+r2+r3 (Series circuit)
1/r1+1/r2+1/r3 (parallel circuit)
v=f(w)
f=v/w
w=f/v
y=mx+b
1
A series Circuit has 4 two ohm resistors. If the voltage is 16 volts, what is its current?
3 Amps
2 Amps
5 Amps
4 Amps
2
An mp3 player uses a 30 volt rechargable battery. If the current use is 5 Amps, what is the resistance?
2 ohms
4 ohms
6 ohms
8 ohms
3
A parallel circuit has a 1 ohm, a 3 ohm, and a 2 ohm resistor. If the Current used within the circuit is 10 Amps, then what is the battery's voltage?
3 V
6 V
9 V
12 V
4
A computer is plugged in to an outlet, whose resistance is 6 ohms. If the current use is 20 Amps, what is the amount of voltage that was coming from the computer?
40 V
120 V
80 V
160 V
5
A light bulb exerts a current of 50 Amps to the ceiling fan. If the voltage on the bulb is 2. 5 volts, what is the amount of power on the bulb?
125 W
150 W
175 W
200 W
6
What is the frequency of a wave whose wavelength is 8 meters and its speed is 40 meters per second?
5 Hz
7 Hz
9 Hz
11 Hz
7
A wave travels at a speed of 25 meters per second. if the waves frequency is 5 Hz, What is its wavelength?
8 meters
12 meters
7 meters
5 meters
8
A lamp uses a 40 W light bulb. The voltage that is exerted from the bulb is 8 V. What is the bulb's current?
3 Amps
5 Amps
7 Amps
9 Amps
9
A 120 volt circuit is in a typical home. If there are 4 ohms of resistance, what is the amount of current flowing through a circuit?
30 Amps
45 Amps
60 Amps
75 Amps
10
A 80 W bulb is placed on a lamp. If 20 Amps of current is used, what is the voltage of the bulb?
2 V
3 V
4 V
5 V
11
Power is measured in
Volts
Amps
Watts
Ohms
12
Current is measured in
Amps
Watts
Volts
Ohms
13
A series circuit has a 5 ohm resistor and a 8 ohm resistor. What is the total resistance of the circuit?
13 ohms
16 ohms
19 ohms
22 ohms
14
A parallel circuit has four 6 ohm resistors. What is the total resistance?
1. 5 ohms
3 ohms
6 ohms
9 ohms
15
A wave has a frequency of 10 Hz. If its wavelength is 8 Meters, what is the wave's speed?
20 m/sec
40 m/sec
60 m/sec
80 m/sec
16
The speed for gravity is 9. 8 m/sec squared. An object is thrown at the top of a 6 story biulding. If it takes 2. 5 seconds to hit the ground, what is the height of the fall?
9. 8 m
19. 6 m
24. 5 m
35. 9 m
17
Light energy comes from tiny particles called
Photons
Protons
Neutrons
Electrons
18
A box has a normal force of 50 Newtons. If the coefficient of friction is 0. 25, what is the box's frictional force?
200 N
400 N
600 N
900 N
19
A wave has a frequency of 10 Hz. What is its period?
. 05 sec
. 10 sec
. 15 sec
. 20 sec
20
A wave has a period of . 05 seconds. What is its frequency?
12 Hz
16 Hz
19 Hz
20 Hz
21
A wave at a local beach travels at a speed of 15 m/sec. If the wavelength is 3 meters, what is the frequency of the wave?
45 Hz
12 Hz
18 Hz
5 Hz
22
A spring has a constant of 25 newtons/meter. If the spring is compressed to 25 meters, what is the force acting on the spring?
21 N
29 N
100 N
6. 25 n
23
Motion that has a pattern is
Harmonic motion
Circular motion
Sliding motion
None of the above
24
A car is driving on a road. The destination is 30 meters away. If the driver gets to his destination in 6 seconds, what is the car's acceleration?
5 m/sec
10 m/sec
15 m/sec
20 m/sec
25
A desk has a mass of 40 kg. if the acceleration of the desk is 6 m/sec, what is the force needed to move the appliance?
180 N
210 N
240 N
270 N
26
A student is moving an appliance at a speed of 3 m/sec. If the force acting on the object is 300 N, what is the mass of the appliance?
25 kg
50 kg
75 kg
100 kg
27
A spring is being placed on the wall. Its constant is 50 n/m. If the spring is extended by 6 meters, what is the applied force of the spring?
100 N
200 N
300 N
400 N
28
A car goes from 30-90 m/sec in 10 seconds. What is the acceleration of the car?
3 m/sec squared
6 m/sec squared
9 m/sec squared
12 m/sec squared
29
The amount of force needed to move a projector is 50 N. If the mass of the projector is 25 kg, what is the speed of this transfer?
1 m/sec
3 m/sec
2 m/sec
4 m/sec
30
A family is going to a sporting event. Their car is traveling at a speed of 25 m/sec. If they arrive to the destination in 12 seconds, how far did they have to travel?
125 m
200 m
250 m
300 m
Suggested by
Alnunez
on
Quizz.biz
for
www.quizcentral.com
Let's GO
All comments (0)
Add in a Facebook
You will love these quizzes
4th Grade Science Test
17 313 players
- Jmathis
Science
4 550 players
- Jeffcoop
9th Standard Science
48 571 players
- Iplfreak
Some Science ?
3 982 players
- Good
5th Grade Cell Test
21 599 players
- Jmathis
created
12 yrs ago
by
Alnunez
Hard level
50%
Average on
82 players
(
0
this month )
1.
Ospreys85
87% in 700s
2.
Fardin
83% in 630s
3.
Vishali
77% in 876s
4.
Lourdie923
73% in 691s
5.
Devansh
63% in 381s
6.
Seif123
43% in 257s
7.
Mrknight15
23% in 136s
all results
Generated on 4 Jul 22, 1h17