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Electric Circuits
Find the equivalent resistance and the current through R1 and R2.Given that R1 = 10 ohm , R2 = 10 ohm , R3 = 5 ohm , R4 = 10 ohm , R5 = 4 ohm.??
Electric Circuits
A rectangular block of iron has a diameter 1.2cm x 1.2cm x 15cm
i) What is the resistance of the opposing square ends?
ii) what is the resistance between two of the rectangular faces?
( The resistivity for iron at room temperature = 9.6 x 10-8 Ω.m )
i) What is the resistance of the opposing square ends?
ii) what is the resistance between two of the rectangular faces?
( The resistivity for iron at room temperature = 9.6 x 10-8 Ω.m )
Electric Circuits
The current in a resistor is given by I=(5.1A)sin(70pi t) when a voltage is given by V=(180V)sin(70pi t) is applied to it, what is the period of the voltage source?
Electric Circuits
the data in the following table describe the initial and final positions of a moving car. the elapsed time for each of the three pairs of position listed in the table is 0.50s. review the concept of average velocity in section 2.2 and then determine the average velocity for each of the three pairs. note that the algebraic sign of your answer will convey the direction.
Electric Circuits
An electric heater is rated at 300W for use in a 110V circuit. the circuit breaker in the circuit can handle 12A of current. 4 heater can be safely operated in the circuit because...
Electric Circuits
what is an opamp?
Electric Circuits
Zinc oxide, ZnO(s), is formed by the reaction of zinc sulphide, ZnS(s), with oxygen. 2ZnS(s) + 3O2(g) ---> 2ZnO(s) + 2SO2 If 16.7 g of zinc sulphide reacts with 6.70 g of oxygen, what mass of zinc oxide is produced?
Electric Circuits
what happen to light intensity of a lamp in a series circuit when more lamps are added in the circuit?
Electric Circuits
The absorption coefficient is supposed to vary with wavelength according to
µ = k λ3 + b
Use the data sheets provided to draw a graph that will be a straight line if this relationship holds. Plot the data for molybdenum and barium. Do these graphs support the above relationship?
Explain why the graph for barium has its particular form.
µ = k λ3 + b
Use the data sheets provided to draw a graph that will be a straight line if this relationship holds. Plot the data for molybdenum and barium. Do these graphs support the above relationship?
Explain why the graph for barium has its particular form.
Electric Circuits
A ciucuit with two bulbs 100 w and 60 w. when 0.2 amp and 215 V electrycity passes through it, 100 w bulb glows deemly. i need it to be proved
