In circuit A, R_1 = 10 ohm and R_2 = 10 ohm How does the current through R_1 com

Question

In circuit A, R_1 = 10 ohm and R_2 = 10 ohm How does the current through R_1 compare to the current through R_2? Explain How does the voltage drop accoss R_1 compare to voltage drop across R_2? Explain. How does the voltage drop across each resistor compare to the voltage of the battery Explain. Now build circuit A and check your answer! In circuit A, R_1 = 20 ohm and R_2 = 10 ohm. How does the current through R_1 compare to the current through R_2? Explain How does the voltage drop across R_1 compare to the voltage drop across R_2? Explain. How does the voltage drop across each resistor compare to the voltage of the battery? Explain. Now build circuit A and check your answers! In circuit B, R_1 = 10 ohm and R_2= 10 ohm. How does the current through R_1 compare to the current through R_2? Explain How does the voltage drop across R_1 compare to the voltage drop across R_2? Explain. How does the voltage drop across each resistor compare to the voltage of the battery? Explain. Now build circuit B and check your answers! In circuit B, R_1 = 10 ohm and R_2 = 20 ohm. How does the current through R_1 compare to the current through R_2? Explain. How does the voltage drop across R_1 compare to the voltage drop across R_2? Explain. How does the voltage drop across each resistor compare to the voltage of the battery? Now build circuit B and check your answers!

Explanation / Answer

1.

a)

Since both the resistors are connected in series ,so same current flows through both the resistors i.e

I1=I2

b)

Total current flowing in the circuit

I=V/(10+10) =V/20

Voltage across each resistor

V1=IR1=(V/20)*10 =V/2

V2=IR2=(V/20)*10 =V/2

So voltage acorss both resistors are equal

c)

Here

V=V1+V2 =V

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3.

Since resistors are connected in parallel ,both resistors have same voltage drop ,so

V1=V2=V

Current through each resistor is

I1=V/10

I2=V/10

a)

So current through both resistors are equal

b)

Voltage drop across both resistor are equal

c)

V1=V2=V

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4.

Current through each resistor is

I1=V/10

I2=V/20

a)

I1>I2

b)

V1=V2

c)

V1=V2=V

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