Which of the following is a scalar quantity?
L6th Homework Quiz 3

Quiz
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Other
•
12th Grade
•
Medium

Lara Starr
Used 4+ times
FREE Resource
69 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
velocity
kinetic energy
force
momentum
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Three identical cells, each of internal resistance R, are connected in series with an external resistor of resistance R. The current in the external resistor is I. If one cell is reversed in the circuit, what is the new current in the external resistor?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A cylindrical conductor of length l, diameter D, and resistivity and has resistance R. What is the resistance of another electrical conductor of length l, diameter , and resistivity ?
8R
4R
2R
R
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a unit for power?
Nms-1
kgm2s-3
Js-1
kgm-1s-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two forces, 6N and 10N act at a point. Which could NOT be a magnitude of the result?
16 N
8 N
5 N
3 N
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unit of potential difference can be expressed as
Cs-1
JC-1
VA-1
JA-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A skydiver of mass 80 kg falls vertically with a constant speed of 50 m s–1. The upward force acting on the skydiver is approximately
0 N
80 N
800 N
4000 N
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