How could the strength of an electromagnet be increased?
by reducing the length of the core (nail) of the electromagnet
by using the rubber material as the core for the electromagnet
by decreasing the amount batteries used for the electromagnet
by increasing the number of coils in the wires of the electromagnet.
Answers: 1
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In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
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The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
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How could the strength of an electromagnet be increased?
by reducing the length of the core (nail)...
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