Definition availableExact definition Candidate definition
Volt ampere
VAcx:VA · Apparent power
1 VA = (1 V)^1 × (1 A)^1.
- Quantity kind
- Apparent power
- SI dimension
L^2 · M · T^-3- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
VA
Scope and distinctions
Definition metadata. Quantity kind and model-field semantics determine compatibility; no new UUCE execution or CVP claim.
Available operations
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Verification scope
New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.
Candidate is a registry lifecycle state. It is not a completed review or CVP verification.
Definition sources
- BIPM — The International System of Units (SI)
9th edition, version 4.01, June 2026
Tables 4–7: coherent derived units, unit algebra and decimal prefixes
Source checked:Definition metadata attributed to BIPM; brochure licensed CC BY 4.0.
Definition and registry versions
- Definition revision
- 1.0.0
- Registry snapshot
- 0.3.0-preview.3 · preview
- Definition lifecycle
- candidate
- Definition owner
- core.metrology
- Definition digest
e2b56e0ba5b5079a8537694070825a3ba5fd380df641663283d5ba78650debaa- Definition dependency digest
f19586f782c42c493e985a099c5a328ad2f7ee38a4ae058bb8ae42ac144faec7
Digests identify definition content; they are not CVP evidence or production attestations.