Question

Question 13 8.7 A cell phone wrapped in metal foil is observed to not be able to get a signal and ring when called. Which concept that best explains why this happens? Ohm's law O Watt's law O Faraday's law O Coulomb's law Question 14 8.75 pts The atomic nucleus is most often made up of

Answer 1

The situation goes like effect of wrapping the phone in foil is that you will burn through the battery more quickly, as the phone struggles to latch onto a signal and can't dissipate heat

Now

According to watts law Power (in Watts) = Voltage (in Volts) x Current (in Amps) P = V I Combining with Ohm's law we get two other useful forms: P = V*V / R and P = I*I*R Power is a measurement of the amount of work that can be done with the circuit, such as turning a motor or lighiting a light bulb.

Therefore option b watts law is correct