5: The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes ____________ ohms. a. 15 b. 2.5 c. 5 d. 10 6: In a series RLC circuit, at resonance the capacitive reactance (XC) is more than inductive reactance (XL). Select one: True False 7: In closed system, which can be exchanged? a. Nothing b. Energy only c. Both energy and mass d. Mass only
5: The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes ____________ ohms. a. 15 b. 2.5 c. 5 d. 10 6: In a series RLC circuit, at resonance the capacitive reactance (XC) is more than inductive reactance (XL). Select one: True False 7: In closed system, which can be exchanged? a. Nothing b. Energy only c. Both energy and mass d. Mass only
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5: The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes ____________ ohms.
a.
15
b.
2.5
c.
5
d.
10
6: In a series RLC circuit, at resonance the capacitive reactance (XC) is more than inductive reactance (XL).
Select one:
True
False
7: In closed system, which can be exchanged?
a.
Nothing
b.
Energy only
c.
Both energy and mass
d.
Mass only
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