3) Current = charge / time
I = Q/t
= 2.5*10^-9 / 100*10^-9 = 0.025 A
Power = voltage*current
voltage = P/I
= 70/0.025 = 2800 V
so the first option 2800 V is the correct answer
Question 3 5 pts An automobile spark plug generates a power of 70 W with each...
An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? 2800 V O 3600V 0 4500V O 1575 V 1200V A proton and an alpha particle (the nucleus of a helium atom, containing two protons and two neutrons) traveling at the speed enter a uniform magnetic...
Question 3 5 pts An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? 2800 V 3600 V 4500 V 1575 V 1200V
Question 3 5 pts An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? 2800 V 3600 V 4500 V O 1575 V 1200 V
Question 3 5 pts An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? 0 2800 V O 3600 V O 4500 V O 1575 V 1200 V
An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? O 2800 V O 3600 V O 4500 V O 1575 V O 1200 V
An automobile spark plug generates a power of 70 W with each spark. If a charge of 2.5 nC is delivered with each spark that has a duration of 100 ns, what is the potential difference across the electrode gap of the spark plug? Group of answer choices 2800 V 3600 V 4500 V 1575 V 1200 V A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density...
A spark is generated in an automobile spark plug when there is an electric potential of 3000 V across the electrode gap. If 50 W of power is generated in a single spark that lasts 100 ns, what is the total charge delivered across gap? 0.80 nC 1.67 nC 3.53 nc 6.52 nc 10.0 nC A proton and an alpha particle (the nucleus of a helium atom, containing two protons and two neutrons) traveling at the speed enter a uniform...
Question 5 5 pts A proton and an alpha particle (the nucleus of a helium atom, containing two protons and two neutrons) traveling at the speed enter a uniform magnetic field. The velocity vector of each particle is perpendicular to the magnetic field. What is the ratio of the radii of their circular orbits (rproton/r alpha)? 0.5 1.0 1.5 2.0 04.0
Question 3 5 pts A spark is generated in an automobile spark plug when there is an electric potential of 3000 V across the electrode gap. If 60 W of power is generated in a single spark that delivers a total charge of 3 nc, how long does it take for the spark to travel across the gap? 50 ns 75 ns 125 ns 150 ns 225 ns 5 pts Question 4
Question 3 5 pts A spark is generated in an automobile spark plug when there is an electric potential of 3000 V across the electrode gap. If 60 W of power is generated in a single spark that delivers a total charge of 3 nC, how long does it take for the spark to travel across the gap? O 50 ns O 75 ns 125 n 150 ns 225 ns