Electricity is a form of energy that is obtained from mechanical, solar just to mention but a few of the many energy sources. The electricity moves in currents through wires. The quiz below is this subject. All the best.
Three
Four
Five
Six
Zero
1.6 ⤬ 10–19 A
1.07 ⤬ 10–3 A
0.17 A
N2R
R / n2
R / n
NR
I1 + i2
I2 + I3
I1 + i3
I1 – i2 + i3
Both A and B will glow more brighty,
Both A and B will glow less brightly,
A will glow less brightly and B will glow more brightly,
A will glow more brightly and B will glow less brightly.
R1 is four times R2
R2 is four times R1
R1 is two times 3R2
R2 is two times R1
Current drop
Potential drop
No current drop
No potential drop
11
22
33
66
500 W
750 W
1000 W
1125 W
W1 > W2 = W3
W1 < W2 = W3
W1 < W2 < W3
W1 > W2 = W3
0.1 m
0.5 m
0.6 m
M
Due to (i) but not due to (ii)
Due to (ii) but not due (i)
Due to both (i) and (ii)
Neither due to (i) nor due to (ii)
2.5%
5%
10%
20%
700°C
350°C
1400°C
No neutral temperature is possible for this thermocouple
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