AP (Advanced Placement) Physics(B-C): Questions 398 - 400 of 920

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 920 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 398

» Linear Momentum

MCQ▾

Question

Which of the following properties are conserved in a totally inelastic collision of two objects, in the absence of external forces on the system of objects?

Choices

Choice (5) Response

a.

Momentum and kinetic energy

b.

Only kinetic energy

c.

Only momentum

d.

Neither momentum nor kinetic energy

e.

Question does not provide sufficient data or is vague

Question number: 399

» Magnetic Field & Electromagnetism

MCQ▾

Question

In the illustration, an electron moves into a region with a uniform magnetic field directed out of the page. In what direction would an electric field be added to the magnetic region so that the electron moves in a straight line across the region from left to right?

 Electron moves in magnetic field

Electron Moves in Magnetic Field

In figure, electron moves in magnetic field is shown.

Choices

Choice (5) Response

a.

The electric field would be directed into the page.

b.

The electric field would be directed toward the bottom of the page.

c.

The electric field would be directed toward the top of the page.

d.

The electric field would be directed out of the page.

e.

All of the above

Question number: 400

» Electric Circuits

MCQ▾

Question

In the graph, the plots of Current as a Function of Time and Voltage as a Function of Time are superimposed for an alternating current circuit. Which of the following statements is true regarding the circuit?

Voltage and Current as a function of time

Voltage and Current as a Function of Time

In figure, Voltage and Current as a function of time is shown.

Choices

Choice (5) Response

a.

The voltage times the current is equal to the power output.

b.

The voltage is equal to the maximum voltage divided by .

c.

The voltage and current are maxima at the same point in time.

d.

All a. , b. and c. are correct

e.

Question does not provide sufficient data or is vague

f Page