Final Review Physics (Regular). Methods of Heat Transfer.
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Transcript of Final Review Physics (Regular). Methods of Heat Transfer.
• An electron at rest is found to have a force of 0.80 N to the right. What is the electric field (magnitude and direction) at the location of the electron?
• E = F/q2 = (0.8) / (-1.6x10-19)• E = 5 x 10^18 N/C LEFT
• A 9 V battery, a 40 Ω resistor and a 50 Ω resistor are wired in series. What is the total resistance?
• An ideal transformer is needed to step the voltage down from 240 volts to 10 volts. The primary has 240 turns, how many turns are necessary on the secondary side?
The diagram shows a pulse in a rope moving to the right. Q is a point on the
rope. What is the direction of movement of point Q at this moment?
• A piece of fur is rubbed against a plastic rod. The fur acquires a positive 5 μC charge. The resulting charge on the rod is
• Negative 5 μC
• Which has more Thermal Energy?• a. burning match • b. an ice cube • c. life size ice sculpture• d. Justin Bieber