3.A 600 W electric heater works with a current of 20 A. The resistance of the heater is: a.25 ohms b.1.5 ohms c.30 ohms

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3.A 600 W electric heater works with a current of 20 A. The resistance of the heater is: a.25 ohms b.1.5 ohms c.30 ohms

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3.A 600 W electric heater works with a current of 20 A. The resistance of the heater is:
a.25 ohms
b.1.5 ohms
c.30 ohms
d.12 kohm
4.Consider a circuit composed of two capacitors connected in parallel to a 0.5 V battery, C1 = 20 microF and C2 = 30 microF. The energy stored in the 20 microF capacitor is:
a.6.25 microF
b.12.5 microF
c.25.2 microF
d.2.50 microF
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