$1-$ Consider the sinusoidal voltage

$v=80sin(1000t+30)V$

What is:

a$-$ The maximum value of the voltage.

b $-$ The frequency in hertz.

c$-$ The frequency in radians per second.

d$-$ The phase angle in radians.

e $-$ The phase angle in degrees.

f $-$ The period in milliseconds.

g $-$ The value of $t$ when $v=80V.$

h $-$ The rms value of the voltage.

$2-$ A sinusoidal current has maximum amplitude of $20$ A $.$ The current passes through a complete cycle in $1$ m sec $.$ The magnitude of the current at zero time is $10$ A $.$

a$-$ What is the frequency of the current in Hz $?$

b$-$ What is the frequency of the current in radians per sec$.?$

c$-$ What is the expression of the current $i(t)$ using the sine function?

d$-$ What is the rms value of the current?

e$-$ What is the average value of the current?

f $-$ What is the form factor of the wave?