A student has two 150kΩ resistors and two 200ߤF capacitors from which to create an RC circuit. Determine each of the possible circuits that can be created and the time constants.

The time constants 30 seconds and the can form an RC Charging circuit.

Explanation:

Time constant, τ, is measured in terms of τ = R x C, in seconds, where R is the value of the resistor in ohms and C is the value of the capacitor in Farads

If R = 150 kΩ = 150000Ω

and C = 200 μF = 0.0002 F

τ = 150,000 × 0.0002

= 30 seconds.

A capacitor, (C)  connected in series with a resistor, (R) forms a RC Charging Circuit connected across a DC battery supply (Vs) via a mechanical switch, with transient time (time required to charge capacitor) = 5τ

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.

a) electrical > light, sound, and thermal< < < <

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c) both a and b.