In medicine, . . . . . . . . is a device such as small metal plate or needle that carries electricity from an instrument to a patient for treatment or surgery
A. an electrode
B. a machmeter
C. an electrolyte
D. a venturimeter
Answer: Option A
A. an electrode
B. a machmeter
C. an electrolyte
D. a venturimeter
Answer: Option A
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω
B. 20 Ω
C. 60 Ω
D. 800 Ω
Superconductors are substances which
A. conduct electricity at lower temperature
B. offer high resistance to the flow of current
C. offer not resistance to the flow of current
D. conduct electricity at high temperature
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