A certain relay draws $150$mA with $9$V applied.

What is the power consumption of the relay's coil?

P$=$ W

$($within three significant digits$)$

For how long can an Energizer $5229-$V battery operate such a relay? Assume a battery capacity of $900$mAh$.$

t$=$ s

$($within three significant digits$)$

What is a good estimate of the coil's resistance?

R$=$

$($within three significant digits$)$