|q⟩
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Multiple choice
Two qubits are prepared in the state
∣
+
⟩
⊗
∣
0
⟩
|+\rangle \otimes |0\rangle
∣
+
⟩
⊗
∣0
⟩
(qubit 0 is
∣
+
⟩
|+\rangle
∣
+
⟩
, qubit 1 is
∣
0
⟩
|0\rangle
∣0
⟩
). What is the expectation value
⟨
Z
⟩
\langle Z\rangle
⟨
Z
⟩
measured on qubit 1?
-1
0.5
1
0
Check answer