单选题An operational amplifier, as used in todays consoles, may have a calculated gain of 5√This means that as the input changes by （）A1 volt, the output changes 5 voltsB5 volts, the output changes 1 voltC5 volts, the output changes 10 voltsD10 volts, the output changes 5 volts
单选题
An operational amplifier, as used in todays consoles, may have a calculated gain of 5√This means that as the input changes by （）
A
1 volt, the output changes 5 volts
B
5 volts, the output changes 1 volt
C
5 volts, the output changes 10 volts
D
10 volts, the output changes 5 volts
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