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nordsb [41]
3 years ago
5

Luciana explains to Eric how electricity flows in a circuit. Which sentences are a part of her explanation? Select all that appl

y.
A. Without a resistor, electricity cannot flow in a circuit.


B. Without a switch, electricity cannot flow in a circuit.


C. For electricity to flow in a circuit, the circuit must be complete.


D. An insulator such as plastic is needed for electricity to flow in a circuit.


E. A conductor is needed for electricity to flow in a circuit.
Chemistry
2 answers:
Flauer [41]3 years ago
8 0
I’m pretty sure it c hope that helped
victus00 [196]3 years ago
5 0

Answer:

E. A conductor is needed for electricity to flow in a circuit.

Explanation:

Electric current can flow without a resistor, as in short circuit.

A short circuit is an electrical circuit that allows a current to travel along an unintended path with no or very low electrical impedance.

Without a switch, electricity can flow in a circuit, switch is only used to close or open the circuit.

Thus, the only correct option is  E

E. A conductor is needed for electricity to flow in a circuit.

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The half-life of Plutonium−239, t1/2 is 2.41 × 10⁴<span> yrs

time taken to reach tolerable level = seven half-lives
                                                      = 7 x t1/2
                                                      = 7 x </span>2.41 × 10⁴ yrs
                                                      = 168700 yrs
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Hence, the period of time that <span>Plutonium-239 must be stored is </span>1.687 x 10⁵ years.
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Answer:

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