An electric heater draws 10 A from a 120V line. The resistance of the heater ...
An electric heater draws 10 A from a 120V line. The resistance of the heater is _____.
A. 1200 B. 120 C. 12 D. 1.2
正确答案：C 满分：2 分
2. In the root-locus method the actual time response of a system can be obtained by means of _____.
A. the inverse Fourier transformB. the inverse Laplace transformC. the Fourier transformD. the Laplace transform
正确答案：B 满分：2 分
A. 1200 B. 120 C. 12 D. 1.2
正确答案：C 满分：2 分
2. In the root-locus method the actual time response of a system can be obtained by means of _____.
A. the inverse Fourier transformB. the inverse Laplace transformC. the Fourier transformD. the Laplace transform
正确答案：B 满分：2 分
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