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Worksheetselectrical science 202
Total questions: 14
Worksheet time: 28mins
What does A.C stand for?
Alternating Current
Alternating copper
ohms
A.C
The si unit for magnetic flux?
voltage
angles
watts
theta
If 10m of cable is 5 ohms, What is the resistance 80m?
50 ohms
40 ohms
35 ohms
100 ohms
what charge do neutrons have in an atom
neutral
positive
negative
not enough
4mm2 csa twin cable feeding a motor 150m away. take the resistivity of copper to be 17.2x109 ohm/metre3. find the resistance?
0.089 ohms
23.45632 ohms
1.29 ohms
2.2132 ohms
what is the si unit for weight?
mass
weight
newtons
kilograms
name all 3 effects on electrical current
heat , chemical , attraction
thermal,chemical,magnetic
temperature, chemical ,metallic
fire , chemical , magnets
what is the si unit for power?
power
wats
watts
electric
(17.2 x 10-9 x 200)
(25 x 10-6 )
0.1376
1.123
0.258
2
which is a sine wave
what is the si unit for mass?
gravity
kg
newtons
grams
what's the equation for force?
mass x distance
force/ gravity
force x distance
mass x Gravity
what symbol shows flowing into the conductor
what does D.C current stand for?
digital camera
direct current
