1.if a 100 ohm resistor is connected to 200 volts,what is th

1.if a 100 ohm resistor is connected to 200 volts,what is the current through the resistor?
a)1 ampere
b)2 ampere
c)300 apere
d)20,000 ampere
2.how many hertz are in a kilohertz?
a)10
b)100
c)1000
d)1000,000
3.if a dial marked in megahertz shows a reading of 3,525MHZ,what word it show if it were marked in KIOHERTZ?
a)o.003525 khz
b)35.25 khz
c)3535 khz
d)3,525,000 khz