If you connect two identical storage batteries together in series ("+" to "-" to "-" to "+"), and place them in a circuit, the combination will provide
A)
zero volts.
B)
twice the voltage, and different currents will flow through each.
C)
twice the voltage, and the same current will flow through each.
D)
the same voltage, and different currents will flow through each.
E)
the same voltage, and the same current will flow through each.
A
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According to the Schrödinger equation, the probability of finding a hydrogen atom's ground-state electron 0.053 nm from the proton is
a. zero. b. high, but not 100%. c. low, but not zero. d. 100%.
Although neutron stars are very hot, they are faint and not easy to see at visual wavelengths because
a. light does not escape from their event horizon.
b. most lie beyond dense dust clouds.
c. they have only a small surface area from which to emit.
d. the peak of their thermal emission is at much shorter wavelengths than visual
e. both c and d