3:43 PM 34% I general.physics.rutgers.edu sakai rutgers edu Online Goneral Physi

Question

3:43 PM 34% I general.physics.rutgers.edu sakai rutgers edu Online Goneral Physics 204... Physics online Media Material o 204 online Assignments 6. A parallel combination of a 6.00 n resistor and an unknown resistor R is connected in series with a 13.0 n resistor and a battery. This circuit is then disassembled and the three resistors are then connected in series with each other and the same battery. In both arrangements. the current through the 6.00 n resistor is the same. What is the unknown resistance R? Find the current in the R resistor in the drawing (VI 14.0 VV 2 20.0 V, V 22.0 VAR 1.700, R 2.000, and R 3.000). 8. An electron travels at a speed of 2.25 x 104 m/s through a uniform magnetic field whose magnitude is 1.50 x 10 T what is the magnitude of the magnetic force on the electron ifits velocity vector and the magnetic field vector make an angle of 50.0e?

Explanation / Answer

(7) Considering I1 resistance in loop 1 and current I2 in the loop 2 .
Therefore
Writing equation for loop 1
I1R1 + (I1 - I2)R3 = V1 - V3
4.7 I1 - 3I2 = -8 -------------(1)
Now for loop 2
5I2 - 3I1 = 2 ----------------(2)
Now solving above equation we get
I1 = -2.345
I2 = -1.0068
Curretnt through resistor R2 is I2 .

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