In a pure resistive circuit, the phase angle between current and voltage is

A)

0.
B)

?/2 radians.
C)

-?/2 radians.
D)

? radians.
E)

3?/4 radians.


A

Physics & Space Science

You might also like to view...

A contact lens is made of plastic with an index of refraction of 1.50 . The lens has an outer radius of curvature of +2.0 cm and an inner radius of curvature of +2.5 cm. What are the focal length and the power of the lens?

Physics & Space Science

What energy must be added or given off in a reaction where a helium atom is separated into two hydrogen atoms and two neutrons? (Atomic masses for each: hydrogen, 1.007825 u; neutron, 1.008665 u; helium, 4.002602 u; also, 1 u = 931.5 MeV/c2.)

a. 28.3 MeV given off b. 20.7 MeV added c. 20.7 MeV given off d. 28.3 MeV added

Physics & Space Science

The mass of Jupiter can be calculated by

A) measuring the orbital period and distance of Jupiter's orbit around the Sun. B) measuring the orbital period and distance of one of Jupiter's moons. C) measuring the orbital speed of one of Jupiter's moons. D) knowing the Sun's mass and measuring how Jupiter's speed changes during its elliptical orbit around the Sun. E) knowing the Sun's mass and measuring the average distance of Jupiter from the Sun.

Physics & Space Science

Because of their immense size, black holes moving through space consume huge quantities of interstellar matter along their paths

Indicate whether the statement is true or false

Physics & Space Science