Q2. An electric heater is connected to a 10 V supply. a In 20 s. 30 C of electric charge flows through the heater. Calculate the current flowing. [3] b Calculate the energy transferred by the heater in 20 s. [4]
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Answer:
Explanation:
The charge flows around the circuit each second is 8 C and the energy is transferred to heater each second is 1840 J
Explanation:
Given that,
Voltage = 230 V
Current I= 8 A
(A). The charge flows around the circuit each second
The charge is the product of current and time.
(B). The energy is transferred to the heater each second
The energy is the product of the power and time.
The power is the product of voltage and current.
The energy is
Hence, The charge flows around the circuit each second is 8 C and the energy is transferred to heater each second is 1840 J
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