Write a paragraph comparing one bulb in series, two bulbs in series, and two bulbs in parallel. What did you learn?

1 answer:

7 0

the 2 lightbulbs in series on has one path so it produces less light. The bulbs in parallel has two lightbulbs but two different paths so it produces more light. (i can make it longer if you want )

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What are the types of nuclear radiation ? (Particles let off by nuclear<br> materials.) *

Neko [114]

Answer:

Because nuclear decay releases ionizing radiation (alpha, beta, and gamma radiation) we call such compounds radioactive.

Explanation:

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3 years ago

If an aircraft is flying at 400 miles/hour and encounters a head wind of 40 miles/hour, what is the resultant ground speed?

Katen [24]

Look at it this way:

Every time the plane flies through 400 miles of air,
the air moves it 40 miles backwards.
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There are two particles with charges +Q and +q. The electric force applied to one of the charges is 10 N. Now, +Q is replaced by

KIM [24]

Answer:

F = 10 N

Explanation:

Assuming that we can treat to both particles as point charges, the magnitude of the force that one charge exerts on the other, must obey Coulomb's Law.
The expression for this force, applied to the charges +Q and +q, separated by a distance d, is as follows:

$F_{0} = \frac{k*q*Q}{d^{2}}$

If we replace +Q by +4Q, and d by 2*d, the new expression for the magnitude of the force is as follows:

$F_{1} = \frac{k*q*4*Q}{(2*d)^{2} } = \frac{4}{4} *\frac{k*q*Q}{d^{2} } = F_{0} = 10 N$

As it can be seen, the force will be as same as before making changes, so F= 10 N.

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3 years ago

When the researchers connected the solution-filled glass plates of the flow chamber to the AC generator, the ITO-coated plates m

Aleks [24]

Answer:

A capacitor

Explanation:

From experimental findings,the plates are connected to a 10Hz ac generator and a potential difference of 1.5V.The ITO is a transplant conducting material,charges accumulates on it when a voltage is applied to it.Exactly what is seen on a parallel plate capacitor

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If is the current density and is a vector element of area then the integral over an area represents:Group of answer choicesthe r

34kurt

Answer:

The average current density at the position of the area.

Explanation:

Current density is the vector whose magnitude is electric current in the cross sectional area. Current density is vector quantity which is measured in amperes. The average current density is dependent on the electric current flow. It has perpendicular direction of flow and scalar magnitude.

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3 years ago