Q3.
the current in a circuit depends on the potential difference provided by the cells and the
total resistance of the circuit
(a)
figure 1 shows the graph of current against potential difference for a component.
figure 1
current
potential difference
what is the name of the component?
draw a ring around the correct answer.
diode
filament bulb
thermistor

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

What is the importantence of the carbon and nitretan cycles in the environment

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.