D. All the three bulbs connected in the series circuit will burn at equal brightness.
<h3>What is series circuit?</h3>
A series circuit comprises a path along which the whole current flows through each component.
A parallel circuit comprises branches so that the current divides and only part of it flows through any branch.
In a series circuit, same current flows in each component of the circuit.
V = I(R₁ + R₂ + R₃)
where;
- R₁ is resistance of bulb 1
- R₂ is resistance of bulb 2
- R₃ is resistance of bulb 3
If all the bulbs have equal resistance, they will burn at equal brightness.
Thus, all the three bulbs connected in the series circuit will burn at equal brightness.
The correct option is D.
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Well you could drive stakes or piers down into the bedrock to anchor it, but you would still need to be cautious of erosion.
low friction between his skis and the snow.
Answer:
<em>1.228 x </em><em> mm </em>
<em></em>
Explanation:
diameter of aluminium bar D = 40 mm
diameter of hole d = 30 mm
compressive Load F = 180 kN = 180 x N
modulus of elasticity E = 85 GN/m^2 = 85 x Pa
length of bar L = 600 mm
length of hole = 100 mm
true length of bar = 600 - 100 = 500 mm
area of the bar A = = = 1256.8 mm^2
area of hole a = = = 549.85 mm^2
Total contraction of the bar =
total contraction =
==> = <em>1.228 x </em><em> mm </em>
Because it is really hard and rocks can't be visible or vibrate