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प्रश्न
A mixture of ____________ is used in voltage stabilizers and current rectifiers.
पर्याय
neon and argon
helium and oxygen
neon and oxygen
helium and neon
MCQ
रिकाम्या जागा भरा
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उत्तर
A mixture of helium and neon is used in voltage stabilizers and current rectifiers.
shaalaa.com
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