Homework Statement
Show that the matrix B= 4 -2 -2
1 1 -1
2 -2 0
satisfies the quadratic equation
B^2-3B+2I=0
Hence show that B^3=7B-6I
The Attempt at a Solution
Now i have already worked out the quadratic...
A botanical laboratory requires an op.amp. alarm circuit which will indicate when the soil in a plant pot is not moist enough. With the assistance of the in information below design such a circuit remembering to include suitable values for any resistors used.
when two copper probe wires are...
A o.3micro farad capacitor is connected across a 15V, variable frequency ac power supply. Find the current in the circuit when the frequency is a) 100herts (b) 100kilohertz
c) solve this question if thee 0.3 microfarad capacitor is replaced by a 40 ohm resistor.
My solution
I = wCV
a)...
1. Homework Statement [/b]
If the p.d across a capacitor is doubled, by what factor does the ehnergy stored change?
Define the farad, the unit of capacitance. Explain the commonly used sub-units micro-farad and pico-farad.
Im at college and I am in first year doing biology as a major. The tutor gave us a project on the homeostatic fuctions of the liver and asked us to put a literature review stating people who have done work and resarch with the liver, historical information. Time frame is from now till...
Homework Statement
I need information on people who did research on the liver and aided in its development. Thanks in advance to anyone who might be able to assist me.
Circuit ...LOSt
:confused: Homework Statement
A sandard cell or 1080V gives a balance length of 512 mm on a potentiometer. If the p.d across a standard 10.0 (ohm) resistor in a circuir gives a balance length of 784 mm, calculate the current in the circuit with the 10.0 (ohm) resistor. Draw...