A 2.3 muF and a 4.5 muF capacitor are connected in series, and this combination

Question

A 2.3 muF and a 4.5 muF capacitor are connected in series, and this combination is connected in parallel with a 6.7 muF capacitor. What is the equivalent capacitance of this entire circuit? 1.5 muF 6.8 muF 8.2 muF 13 muF 3.4 muF Determine the magnitude and direction of the force on an electron travelling 5.5 times 10^5m/s horizontally to the east in a vertically upward magnetic field of strength 0.45 T. 4.0 times10^-14N, south 2.0 times 10^-13N, north 4.0 times 10^-14N, north 2.0 times 10^-13N, south 4.4 times 10^-13N, south

Explanation / Answer

7) C1 = 2.3 uF, C2 = 4.5 UF,

C12 = (2.3*4.5)/(2.3+4.5) = 1.5 uF

C123 = 1.5+6.7 = 8.2 uF

Answer: (c)

8) v = 5.5*10^5 m/s, B = 0.45 T

q = 1.6*10^-19 C

F =q(vxB)

F = 1.6*10^-19(5.5*10^5*0.45)

F = 4*10^-14 N

F = -(ixk) = j, north

correct option is (c)

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