How much energy is dissipated as heat during a two-minute time interval by a 1.5-kW resistor which has a constant 20-V potential difference across its leads?

a. 58 J
b. 46 J
c. 32 J
d. 72 J
e. 16 J


C

Physics & Space Science

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A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its volume. Determine the magnitude of the electric field 15 cm from the axis of the cylinder.

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a. True b. False Indicate whether the statement is true or false

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