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3 years ago

In what ways does energy transform or convert from one form to another?

Physics

1 answer:

JulsSmile [24]3 years ago

5 0

Many ways such as freezing, melting, condensing, evaporating, sublimation, and desublimation.

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The current through two identical light bulbs connected in series is 0.25 A. The voltage across both bulbs is 110 V. The resista

Rus_ich [418]

The resistance of a single light bulb is 220 ohms per bulb.

Ohm's Law is a formula used to determine how voltage, current, and resistance in an electrical circuit relate to one another.

Ohm's Law (E = IR) is as basic to students of electronics as Einstein's Relativity equation (E = mc2) is to physicists.

E = I x R

The formula reads voltage = current x resistance, or V = A xΩ., or volts = amps x ohms.

110volts divided by .25amps = 440 ohms. 440 divided by 2 =220 ohms per bulb.

R = 110/(2*0.25) = 220 ohms

to learn more about Ohms law go to - brainly.com/question/14296509

#SPJ4

4 0

2 years ago

1. You wish to heat 20 kg of water from 40°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this c

adelina 88 [10]

Answer:

Explanation:

Heat energy used up can be calculated using the formula:

H = mcΔt

m = mass oof the object (in kg) = 20kg

c = specific heat capacity of water = 4179.6J/kg°C

Δt change in temperature = 80-40 = 40°C

H= 20* 4179.6 * 40

H = 3,343,680Joules

H = 3,343.68kJ

8 0

3 years ago

The spacing between the plates of a 1.0 μF capacitor is 0.050 mm. a) What is the surface area of the plates? b) How much charge

nataly862011 [7]

Answer:

(a) surface area of the plate will be equal to $1.129m^2$

(b) Charge on the capacitor is equal to $1.5\times 10^{-6}C$

Explanation:

We have given spacing between the plates d = 0.05 mm = $5\times 10^{-5}m$

Value of capacitance $C=1\mu F=10^{-6}F$

(A) Capacitance of a parallel plate capacitor is equal to $C=\frac{\epsilon _0A}{d}$

So $10^{-6}=\frac{8.85\times 10^{-12}\times A}{10^{-5}}$

$A=1.129m^2$

So surface area of the plate will be equal to $1.129m^2$

(B) It is given that capacitor is charged by 1.5 volt

So voltage V = 1.5 volt

Charge on the capacitor is equal to $Q=CV$

So $Q=1.5\times 10^{-6}C$

5 0

3 years ago

Help me?!?!?!?!?!?!?!?!?!?!?!?!?!

marishachu [46]

The correct field line would be A.

3 0

3 years ago

Read 2 more answers

A can of soup is begin heated in a sauce pan. as the soup is heated, the warm fluid becomes less dense and rises, while the cool

Alexxandr [17]

It is c convection because convection is when something is hot therefore less dense material to rise and cooler material to sink under the influence of gravity

8 0

3 years ago