Free Printable PHYSICS 2

1.

Who formulate Ohm's law?

a)

Carl Simon Ohm

b)

George Carl Ohm

c)

George Simon Ohm

2.

A printer has a resistance of 28 ohms and a current of 18A. What is the voltage across this device?

a)

1.5 V

b)

504 V

c)

0.643 V

d)

150 v

3.

A potential difference across 30Ω resistor is 18V. What is the current through the resistor?

a)

1.6 A

b)

540 A

c)

0.6 A

d)

150 A

4.

Find the resistance of a resistor through which 2520 C flow in 21 minutes if the potential difference across it is 8V.

a)

315 Ω

b)

0.003 Ω

c)

1.5 Ω

d)

20160 Ω

5.

What is the formula for finding the current?

a)

$I=\frac{V}{R}$

b)

$I=\frac{R}{V}$

c)

$I=VR$

d)

$I=RV$

6.

What is the SI unit for Resistance?

a)

Ampere (A)

b)

Ohms (Ω)

c)

Voltage (V)

d)

Farad (F)

7.

For the parallel circuit of 4 resistor with resistances R1=10Ω, R2=18Ω, R3=9Ω, R4=13Ω and a battery with 150V. Find the equivalence resistance?

a)

0.344 Ω

b)

50 Ω

c)

2.910 Ω

d)

45 Ω

8.

For the parallel circuit of 4 resistor with resistances R1=10Ω, R2=18Ω, R3=9Ω, R4=13Ω and a battery with 150V find V2.

a)

20.4 V

b)

12.3 V

c)

150 V

d)

0.235 V

9.

For the parallel circuit of 4 resistor with resistances R1=10Ω, R2=18Ω, R3=9Ω, R4=13Ω and a battery with 150V find I₂?

a)

11.54 A

b)

15 A

c)

8.33 A

d)

16.6 A

10.

What is the formula for finding the Voltage (V) ?

a)

$V=\frac{R}{I}$

b)

$V=\frac{I}{R}$

c)

$V=IR$

d)

$V=\ I+R$

11.

What is the SI unit for Current?

a)

Ampere (A)

b)

Ohms (Ω)

c)

Voltage (V)

d)

Farad (F)

12.

For the series circuit of resistor , What is the formula for finding the total resistance?

a)

$R_T=R_1+R_2+R_3...+R_N$

b)

$R_T=R_1+R_2-R_3....\ +R_N$

c)

$R_T=\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}...+\frac{1}{R_N}$

d)

$R_T=\frac{1}{R_1}+\frac{1}{R_2}-\frac{1}{R_3}...\ +\frac{1}{R_4}$

13.

For the parallel circuit of 4 resistor with resistances R1=10Ω, R2=18Ω, R3=9Ω, R4=13Ω and a battery with 150V find I₄?

a)

11.54 A

b)

15 A

c)

8.33 A

d)

16.6 A

14.

Find the equivalence resistance.

a)

$2.65\times10^{-6}$ Ω

b)

714,942.53 Ω

c)

$1.62\times10^{-5}$ Ω

d)

723465.23 Ω

15.

Find the total current on the circuit.

a)

1,234,567.901 A

b)

714,942.53 A

c)

$1.62\times10^{-5}$ A

d)

7,654,321.23 A

PHYSICS 2

Total questions: 15

Worksheet time: 22mins

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