(B)ELEMENT 3-9 OHM'S LAW

Question 1

what value of series of resistor would be needed to obtain a full scale deflection on a 50 microamp dc meter with an applied voltage of 200 volts DC?

Answer 1

4 megahomes

Question 2

which of the following ohms law formulas is incorrect

Answer 2

i=r/e

Question 3

if a currrent of 2 amps flows through a 50-ohm resistor, what is the voltage across the resistor?

Answer 3

100 volts

Question 4

If a 100-ohn resistor is connected across 200 volts, what is the current through the resistor?

Answer 4

2 amperes

Question 5

if a current of 3 amperes flows through a resistor connected to 90 volts, what is the resistance?

Answer 5

30 ohms

Question 6

A relay coil has a 500 ohm resistance and operates on 125 mA. What is the value of resistance should be connected in series with it to operate from 110 v dc?

Answer 6

380 ohms