1. Find the current through resistor a ) in the figure. (Figure 1) Express your

Question

1. Find the current through resistor a) in the figure. (Figure 1) Express your answer to two significant figures and include the appropriate units.

2. Find the potential difference across resistor a) in the figure.

3. Find the current through resistor b) in the figure.

4. Find the potential difference across resistor b) in the figure.

5. Find the current through resistor c) in the figure.

6. Find the potential difference across resistor c) in the figure.

7. Find the current through resistor d) in the figure.

8. Find the potential difference across resistor d) in the figure.

2.

1. Find the current through resistor a) in the figure. (Figure 1) Express your answer to two significant figures and include the appropriate units. 2. Find the potential difference across resistor a) in the figure. 3. Find the current through resistor b) in the figure. 4. Find the potential difference across resistor b) in the figure. 5. Find the current through resistor c) in the figure. 6. Find the potential difference across resistor c) in the figure. 7. Find the current through resistor d) in the figure. 8. Find the potential difference across resistor d) in the figure. 2.

Explanation / Answer

resistors b , c and d are in parallel ,
1 /Rbcd   = 1/5 + 1/5 + 1/5
Rbcd = 1.67 Ohm
R eq = Rbcd + Ra = 6.67 Ohm
I = V / Rq = 10 / 6.67 = 1.5 A    ....Ans

b) V = RI = 5 x 1.5 = 7.5 V

c) current 1.5 A goes in all three parrallel b, c &d resistor .
It divides equal among all three as all three have same resistance.
I = 1.5/3 = 0.5 A

d) V = RI = 5 x 0.5 = 2.5 Volt

e) Ic = 0.5 A

f) Vc = 2.5 V

g) Id = 0.5 A

h) Vd = 2.5 V

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