physics lab 1 questions

1. 1. Consider Figure below. Determine the following in terms of B’s (Be, Bgalv, andBnet).
sinα =
cosα =
tan α =
2. In the earth’s magnetic field experiment, the horizontal component of the earth's
magnetic field is 0.2610-4
T and the compass angle is 60o
. The tangent galvanometer
magnetic field is
a) 0.2610-4
T
b) 0.4510-4
T
c) 0.22510-4
T
d) 1.010-4
T
3. Find the electrochemical equivalent coefficient of copper from the measurements made
for i = 0.026A, t = 10min, if the mass 5.1 g of copper deposited on the cathode.
a) 0.34 g/C
b) 19.6 g/C
c) 1.33g/C
d) 3.4g/C
4. Draw and label an electrolytic cell?