Question $4$

$6\mathrm{.}67$ pts

A resistor and an inductor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the resistor is

equal to the battery's terminal voltage.

zero.

greater than the battery's terminal voltage.

equal to the voltage across the inductor.

Question $5$

$6\mathrm{.}67$ pts

A transformer is a device that normally

$q,$

operates on either dc or ac$.$

operates only on ac$.$

operates only on dc$.$

Question $6$

$6\mathrm{.}67$ pts

The inductance of a solenoid that is $16\mathrm{.}0$ cm long and has a cross$-$sectional area of $1\mathrm{.}00{10}^{-4}{m}^2$ is $1\mathrm{.}00$ mH $.$ How many turns of wire does this solenoid have? $)=(4{10}^{-7}(T)*\frac{m}{A}$

$159,000$

$318,000$

$150$

$282$

$1130$